OPINION
DELA CRUZ, Chief Justice:
We are presented in this appeal with the issue of whether the [129]*129exercise of an option agreement ("option") to purchase real property in the Commonwealth violated the land alienation restriction of Article XII of the NMI Constitution ("Article XII") if persons who are not of Northern Marianas descent thereby acquired an equitable fee interest in the land.2
I.
The defendant, Leocadio C. Mafnas ("Mafnas"), appeals a summary judgment order compelling specific performance' of the option. Aldan-Pierce v. Mafnas, Civil Action No. 86-86 (N.M.I. Tr. Ct. Oct. 15, 1986) (judgment) . Finding no genuine issue of material fact, the Commonwealth Trial Court3 concluded that the option did not violate Article XII and was, therefore, enforceable. Aldan-Pierce v. Mafnas, 2 CR 855 (C.T.C. 1986). 4
A. Procedural and Factual Background
Mafnas, a person of Northern Marianas descent, owns in fee simple Lot 008 B 25, situated at San Roque, Saipan. This property contains an area of 8,708 square meters.
Mafnas and Antonia C. Villagomez ("Villagomez") — who is also of Northern Marianas descent — executed the option on September 15, [130]*1301984. Mafnas agreed to sell "a certain portion of Lot No. 008 B 17"5 to Villagomez or her designee by warranty deed. The option, which became effective upon execution, was to remain in effect until July 7, 1985.
The option consideration of $500 was paid to Mafnas by Brian McMahon ("McMahon"), who is not of Northern Marianas descent. As directed by Randall T. Fennell ("Fennell") — who is also not of Northern Marianas descent — Villagomez6 timely exercised the option by notifying Mafnas in writing that she wished to purchase the property. This notice (dated July 6, 1985) requires Mafnas to obtain a certificate of title to the property and to deliver it and a warranty deed to Villagomez, at which time the purchase price of $10 per square meter would be paid.
Mafnas refused to comply.
Villagomez subsequently assigned her interest under the option to Marian Aldan-Pierce ("Aldan-Pierce"), who filed the present action for specific performance on March 4, 1986.
In his answer to Aldan-Pierce's complaint, Mafnas alleged, inter alia, that Villagomez acted as Fennell and McMahon's agent— and that Fennell engaged her as his agent to acquire for himself and McMahon a permanent and long-term interest in real property in violation of Article XII.
[131]*131B. The Superior Court Ruling
The trial court concluded that Villagomez was Fennell and McMahon's agent, and that they had control over her to (1) direct her to exercise the option, (2) turn over their purchase money to Mafnas after he executed a warranty deed to her, and (3) record the deed showing fee simple title in her name. However, the court determined that once Villagomez subsequently leases the property to Fennell and McMahon (as they had previously agreed) the agency relationship will terminate and a lessor-lessee relationship will commence:
The "control" of the principal over the agent to which [Mafnas] bases his theory vanishes upon execution of the lease. There is no substance or merit to [Mafnas'] argument that the prior agency or fiduciary relationship continues and supercedes the lease agreement.
Aldan-Pierce v. Mafnas, 3 CR at 864. Therefore, the court ruled, the option did not violate Article XII, and was enforceable.
Mafnas appeals.7
II.
We review a grant of summary judgment de novo. MPLC v. Kan Pacific Saipan, Ltd., No. 90-014 (N.M.I. Nov. 21, 1990) (amended opinion). If there is no genuine issue of material fact, the analysis shifts to whether the substantive law was correctly [132]*132applied. Id.
The sole issue Mafnas raises on appeal concerns the constitutional validity of the option. He contends that when Villagomez exercised the option, Fennell and McMahon acquired a freehold (equitable fee) interest in Commonwealth real property. This, he argues, violates Article XII.8
III.
Before reaching the merits, we must address the threshold question of our jurisdiction.
Aldan-Pierce has moved to dismiss this appeal on the ground that we lack jurisdiction. She contends that only the U.S. Court of Appeals for the Ninth Circuit ("Ninth Circuit") has jurisdiction to hear the appeal.
We note that this appeal was pending before the Ninth Circuit on May 2, 1989, the effective date of the Commonwealth Judicial Reorganization Act of 1989, 1 CMC §§ 3101-3404 ("Act"). The Act transferred to this Court appellate jurisdiction over all Commonwealth cases pending before both the Appellate Division of the District Court for the Northern Mariana Islands ("Appellate Division") and the Ninth Circuit. 1 CMC § 3109(b).
In Wabol v. Villacrusis, No. 89-005 (N.M.I. Dec. 11, 1989), we examined the validity of 1 CMC § 3109(b). We concluded that the statute violated neither the Covenant to Establish a Commonwealth [133]*133of the Northern Mariana Islands in Political Union with the United States of America, reprinted in CMC vol. 1 at B-101 and in 48 U.S.C.A. § 1681 note (West 1987) ("Covenant"), nor 48 USC § 1694b(c), the federal statute empowering the Ninth Circuit to hear appeals from Appellate Division rulings.
Subsequent to our Wabol ruling, the Ninth Circuit rendered a contrary decision concerning the validity of 1 CMC § 3109(b):
[AJlthough the Act by its terms applies retroactively to appeals from local trial courts which were pending in the appellate division of the district court when it was passed . . . NMI is without power under the Covenant to divest [the Ninth Circuit] of jurisdiction over appeals properly filed from a final order of the appellate division of the district court entered before passage of the Act.
Wabol v. Villacrusis, 908 F.2d 411, 419 (9th Cir. 1990) (amended opinion).
We are faced with the question of whether we should defer to this decision. For several reasons, we decline to do so.
First, we note that the appeal of this case to the Ninth Circuit was dismissed upon Mafnas' voluntary motion. The Appellate Division subsequently issued a mandate — based on its earlier decision9 — to the Commonwealth Superior Court. When challenged on appeal, the mandate was vacated by the Ninth Circuit, which ruled that the Appellate Division lacked jurisdiction over the appeal after May 2, 1989. Mafnas v. United States District Court for the Northern Mariana Islands, 919 F.2d 101 (9th Cir. 1990). In its decision, the Ninth Circuit recognized the instant appeal taken by [134]*134Mafnas to this Court. Recently, the Ninth Circuit considered an appeal from our issuance of a writ of prohibition to the Superior Court10 ordering it to disregard the Appellate Division's mandate. In that decision, Mafnas v. Superior Court of the Commonwealth of the Northern Mariana Islands, No. 90-16078 (9th Cir. June 18, 1991) (1991 WESTLAW 102977), the Ninth Circuit dismissed the appeal as moot because of its earlier decision to vacate the Appellate Division's mandate; the court again recognized the instant appeal to this Court.
Second, we take judicial notice of the fact that the Ninth Circuit's ruling in Wabol is the subject of a petition for reconsideration.
Third, our Wabol ruling has been appealed to the Ninth Circuit pursuant to Covenant Section 403.11 That appeal has not been decided. Although the Ninth Circuit's Wabol ruling notes that this Court's decision need not be accorded full faith and credit (since it is subject to review by that court) the Ninth Circuit has not yet reviewed our decision.
Thus, we shall follow our decision in Wabol and consider the appeal in this case. 1 CMC § 3109(b). Aldan-Pierce's motion to dismiss for lack of jurisdiction is denied.
[135]*135IV.
The issue confronting us relates to Covenant Section 805 ("Section 805"), in addition to Article XII. In analyzing the validity of the exercise of the option, it is necessary to first examine Section 805, which requires that the Commonwealth regulate the alienation of permanent and long-term interests in real property to restrict acquisition of such interests to persons of Northern Marianas descent. Next, we will examine Article XII to determine how Section 805 was implemented. We shall thereafter analyze the facts of this case to determine whether the trial Court ruled correctly.
A. Section 805
Section 805 provides, in pertinent part:
Except as otherwise provided in this Article and notwithstanding the other provisions of this Covenant, or those provisions of the Constitution, treaties or laws of the United States applicable to the Northern Mariana Islands, the Government of the Northern Mariana Islands, in view of the importance of the ownership of land for the culture and traditions of the people of the Northern Mariana Islands, and in order to protect them against exploitation and to promote their economic advancement and self-sufficiency:
(a) will until twenty-five years after the termination of the Trusteeship Agreement, and may thereafter, regulate the alienation of permanent and long-term interests in real property so as to restrict the acquisition of such interests to persons of Northern Marianas descent ....
(Emphasis added.)12
[136]*136"[I]t will be entirely up to the Government of the Northern Marianas and the people of the Northern Marianas to determine the precautions which they will take to prevent their land from being alienated." Marianas Political Status Commission, Section-bvSection Analysis of the Covenant 117 (1975),13 Definition of the operative terms and phrases of Section 805—including "long term interests in real property," "acquisition," and "persons of Northern Mariana Islands descent"—was left to the NMI as its responsibility in implementing the provision. Id.
B. Article XII
The sole implementing vehicle for Section 805 is Article XII, which became operative when the NMI Constitution went into effect on January 9, 1978.
We now examine each of the original provisions14 of Article XII. Section 1 provides:
The acquisition of permanent and long-term interests in real property within the Commonwealth shall be restricted to persons of Northern Marianas descent.
Section 2 provides:
The term acquisition used in section 1 includes acquisition by sale, lease, gift, inheritance or other means. A transfer to a spouse by inheritance is not an acquisition under this section. A transfer to a mortgagee by means of a foreclosure on a mortgage is not an acquisition if the mortgagee does not hold the permanent or long-term interests in real property for [137]*137more than five years.15
Section 3 provides:
The term permanent and long-term interests in real property used in section 1 includes freehold interests and leasehold interests of more than forty years16 including renewal rights.
Section 4 provides:
A person of Northern Marianas descent is a person who is a citizen or national of the United States and who is of at least one-quarter Northern Marianas Chamorro or Northern Marianas Carolinian blood or a combination thereof or an adopted child of a person of Northern Marianas descent if adopted under the age of eighteen years. For purposes of determining Northern Marianas descent, a person shall be considered to be a full-blooded Northern Marianas Chamorro or Northern Marianas Carolinian if that person was born or domiciled in the Northern Mariana Islands by 1950 and was a citizen of the Trust Territory of the Pacific Islands before the termination of the Trusteeship with respect to the Commonwea1th.
Section 5 sets forth requirements for corporations to qualify as a "person of Northern Marianas descent.w Article XII, § 6 provides, in pertinent part, that "[a]ny transaction in violation of section 1 shall be void ab initio."
clearly, under Article XII only persons of Northern Marianas descent may acquire permanent and long-term interests in real property in the Commonwealth. The only exceptions are (a) transfers to a spouse (who is not of Northern Marianas descent) by inheritance in certain circumstances, and (b) transfers to a mortgagee (such as a bank or lending institution) by foreclosure on a mortgage if the mortgagee does not hold an interest in the [138]*138property for more than a specified period. Article XII, § 2.
In analyzing the option at issue, we will consider the intent and purpose of Section 805 and Article XII.17
V.
The parties agree that there is no genuine issue of material fact concerning the constitutional validity (or invalidity) of the exercise of the option. We concur. A review of the affidavits and documents supporting and opposing Aldan Pierce's motion for summary judgment confirms that the material facts are not in dispute.
A. The Options
The idea of an option to purchase or lease the San Roque property was apparently conceived before August 1, 1980, by Fennell and other persons who are also not of Northern Marianas descent. Declaration of Randall T. Fennell (August 27, 1986) (hereafter "Fennell Affidavit"). The record reveals that no fewer than five options preceeded the option at issue in this appeal.
The first, dated August 1, 1980, was negotiated by one Howard Luke. Fennell Affidavit at 1. This option, executed by Mafnas, as "Owner", and Luke and Fennell, as "Buyers", states, in part:
2. Agreement to Sell or Lease. Owner agrees to convey in fee simple absolute said property, and all of it, or any portion thereof required by Buyers, to Buyers, [139]*139or their designee pursuant to the terms of this agreement, provided, however, that if at any time from the execution of this agreement it is not legal under the laws and Constitution of the Commonwealth of the Northern Mariana Islands for Buyers to hold in fee interest, then Owner agrees to convey said property in fee simple to any person designated by Buyers who has the legal capacity to own said property in fee simple absolute, or to lease said property to Buyers for as long a term as is legally permissible.
This option expired, unexercised, on April 30, 1981.18
A second option was executed on May 1, 1981, by Mafnas, as "Owner", and McMahon and Fennell, as "Buyers." It is essentially the same as the first option, containing a paragraph identical to the provision quoted above. This option expired, unexercised, on October 31, 1981.
A third option was executed on April 7, 1982, again by Mafnas, as "Owner", and McMahon and Fennell, as "Buyers." Except for the dates, it is essentially the same as the first and second options. This option expired, unexercised, on June 7, 1982.
A fourth option was executed on July 13, 1983, by Mafnas, as "Owner," and Fennell as "Buyer." This option was for a forty-year lease.19 It expired, unexercised, on July 12, 1984.
A fifth option — again, to lease the property — was executed by Mafnas, as "Owner," and Villagomez, as "Buyer," on July 7, 1984, before the fourth option had expired. Other than a difference in [140]*140consideration and a reduction in the area to be leased, this option was essentially the same as the fourth option. It expired, unexercised, on July 7, 19.85.
A sixth option — executed on September 15, 1984, before the fifth option expired — is the option the exercise of which is at issue. This option enabled Villagomez to purchase Mafnas* fee interest to the entire property. As noted above, Villagomez exercised the option on July 6, 1985, a day before it was to expire.
According to the option, Villagomez may assign all or any part of her rights, duties, and obligations. She assigned her rights to Aldan-Pierce on January 13, 1986, "for $10.00 . . . and other good and valuable consideration . . . ." Excerpts of Record at 8.
B. The Affidavits
According to Villagomez:
2. In 1984, I was approached by Mr. Brian McMahon and Mr. Randall Fennell, who asked if I would be interested in holding title to property in San Roque owned by Leocadio Mafnas.
3. Under my agreement with Mr. Fennell and Mr. McMahon, they would provide the money for an option agreement between me and Mr. Mafnas. If the option was exercised, they would provide the money to purchase the property. I, in return, would grant them a lease for the maximum term permitted by law for minimal consideration.
Affidavit of Antonia C. Villagomez (July 25, 1986) (hereafter "Villagomez Affidavit").
According to Fennell, he and Mafnas (who was advised by a "Mr. [141]*141Magofna1') negotiated the option at issue. Fennell Affidavit at 2. Fennell also stated that he and McMahon had an oral agreement with Villagomez (and subsequently with Aldan-Pierce) to "provide the money for the land purchase in return for a lease for the maximum ieriijth allowed by law." Id. "Ms. Villagomez left negotiation of the options to Mr. McMahon and I." Id.
McMahon echoed Fennell's statement regarding their agreement with Villagomez. Declaration of Brian T. McMahon (Aug. 27, 1986) (hereafter "McMahon Affidavit").
According to Mafnas, "both Mr. Fennell and Mr. McMahon[] made it clear to me that the , . . Option Agreement, although it was to be executed by Antonia C. Villagomez, was for the sole benefit of Mr. Fennell and Mr. McMahon." Affidavit of Leocadio C. Mafnas (hereafter "Mafnas Affidavit") at 2 (Oct. 7, 1986). He further stated that McMahon personally paid him the $500 consideration for the option. Id.20
"I am not, nor have I ever been, a 'passive agent, engaged and controlled by Attorney Fennell ... 1 as alleged [by Mafnas] , . .
." Declaration of Marian Aldan-Pierce (Aug. 27, 1986) (hereafter "Aldan-Pierce Affidavit"). She also stated:
6. I have agreed with Randall Fennell and Brian McMahon that, if I prevail in this action, I will lease them the subject property for the maximum length provided by law. They in return have agreed to provide the funds to exercise the option. I will retain the fee ownership.
[142]*142Aldan-Pierce Affidavit at 2.
At the summary judgment hearing, the trial court allowed Aldan-Pierce to file a reply memorandum to Mafnas1 memorandum in opposition by the following day, but made no mention of permission to file supplemental affidavits. Aldan-Pierce v. Mafnas, Civil Action No. 86-86, Transcript of Proceedings at 29 (October 8, 1986). Nonetheless, after the hearing Aldan-Pierce filed three supplemental affidavits in'addition to her reply memorandum. It is not clear whether the trial court considered these post-hearing affidavits in rendering summary judgment, there being no reference to them in its memorandum opinion. The court apparently did not act upon Mafnas’ motion to strike the supplemental affidavits.
The supplemental affidavits were evidently introduced to prove that the oral agreement between Aldan-Pierce and Fennell and McMahon did not require Aldan-Pierce to hold or convey title to the property pursuant to their instructions. "Under our agreement, they receive a lease, but other than that what I do with the title is my business." Supplemental Affidavit of Marian Aldan-Pierce (Oct. 9, 1986) (hereafter "Aldan-Pierce Supplemental Affidavit").
VI.
Since the material facts are not in dispute, we must determine whether the law was correctly applied below. Kan Pacific Saipan, Ltd., supra.
We begin by noting that Fennell and McMahon—neither of whom [143]*143are of Northern Marianas descent21 — may not legally acquire
"permananent and long-term interests in real property within the Commonwealth." Article XII, § 1. Persons who are not of Northern Marianas descent are prohibited from acquiring such interests by "sale, lease, gift, inheritance or other means." Article XII, § 2. Any transaction violating the constitutional restriction is void ab initio — void from the beginning, as if it had never occurred. Article XII, § 6.
A. "Freehold Interests" under Article XII
.The "permanent and long-term interests" restricted from acquisition by persons who are not of Northern Marianas descent "includes freehold interests and leasehold interests of more than fifty-five years . . . ." Article XII, § 3.22 "Freehold interests are all types of ownership or title — fee simple, fee tail, and life estate . . . ." Committee on Personal Rights and Natural Resources, Report to the rFirst NMI Constitutional! Convention, Committee Recommendation No. 8: Restrictions on Land Alienation at
7 (November 11, 197 6) .23 A "freehold" is:
An estate in land or other real property, of uncertain duration; that is, either of inheritence or which may possibly last for the life of the tenant at the least (as distinguished from a leasehold) ....
[144]*144An estate to be a freehold must possess these two qualities: (1) Immobility, that is, the property must be either land or some interest issuing out of or annexed to land; and (2) indeterminate duration, for if the utmost period of time to which an estate can endure be fixed and determined, it cannot be a freehold.
Black's Law Dictionary 598 (5th ed. 1979). "An equitable estate is considered, to all intents and purposes, as a legal estate." 31 C.J.S. Estates § 5 (1964). An equitable interest of indeterminate duration is encompassed within a freehold interest.24 The absence of any language excluding such interests from the restriction in Article XII leads us to conclude that they are within the restriction.
On its face, the option at issue provides that a person of Northern Marianas descent will acquire title to the property if it is exercised. Mafnas argues that although Villagomez' name appears on the option, she (and now Aldan-Pierce, as her assignee) will acquire only bare legal title to the property, should he transfer [145]*145his title. He contends that Fennell and McMahon have already acquired an equitable fee interest in the property, in violation of Article XII. This occurred, he asserts, when Villagomez&emdash;acting as ah agent-trustee&emdash;acquired the equitable fee interest upon exercise of the option.
Initially, we must determine whether Villagomez acquired such an interest.
B. Acouistion of Equitable Fee by Optionee
"An option to purchase property is a contract wherein the . owner, in return for valuable consideration, agrees with another person that the latter may buy property within a specified time upon expressed terms and conditions." Mohr Park Manor, Inc. v. Mohr, 424 P.2d 101, 104 (Nev. 1967), appeal after remand. Mohr Park Manor, Inc. v. Bank of Nevada, 490 P.2d 217 (Nev. 1971). "[S]o long as it remains unaccepted, [an option] is a unilateral writing lacking mutual elements of a contract, but when accepted by [an] optionee, an executory contract, which is mutually binding on the j parties, arises." Id, at 105; see also Anderson v. Overland Park Credit Union, 643 P.2d 120 (Kan. 1982). "[W]hen the optionee has made his election and the contract has ceased to be an option and has ripened into a mutually enforceable bilateral contract, it becomes subject to specific performance." Bobo v. Bigbee, 548 P.2d 224, 229 (Okla. 1976). The optionee becomes the owner of an equitable interest in the land. Phillips v. Tetzner, 53 A. 2d 129 [146]*146(Pa. 1947); Commonwealth v. Gerlach, 159 A.2d 915 (Pa. 1960).25
Thus, when Villagomez exercised the option, she acquired an equitable interest in the property. Phillips, supra.26
We now consider whether the record supports Mafnas' contention that Villagomez acted for Fennell and McMahon through an agency-trust relationship.
C. The Agencv-Trust Relationship
Agency
An agent is a person who agrees to act for and is subject to the control of another. Repeki v. MAC Homes (Saipan) Co., Ltd., No. 90-002 (N.M.I. Mar. 14, 1991) quoting Restatement (Second) of Agency §§ 1, 14 (19 5 8).27 An agency relationship must be based on [147]*147an agreement between the parties. Repeki, supra. An agency relationship may exist "although the parties did not call it agency and did not intend the legal consequences of the relation to follow." Restatement (Second! of Agency § 1, Comment b.
"The existence of an agency relationship is generally a question of fact to be determined by the trier of fact." Repeki. slip op. at 14. However, the existence of such a relationship is a question of law where the material facts from which it is to be inferred are not in dispute. Id. at 15. The material facts from which Mafnas urges that an agency relationship can be inferred were not in dispute. Accordingly, this issue presents a question of law which we review de novo. Id.
Aldan-Pierce contends that she is not Fennell and McMahon's agent—that their agreement is actually an entrepreneurial venture akin to a partnership.28
Despite Aldan-Pierce's protestations to the contrary, the trial court was correct in concluding that her predecessor Villagomez was Fennell and McMahon's agent. Villagomez agreed to act at their direction, and did so when she signed the option on September 15, 1984, and exercised it on July 6., 1985. See Dixon v. Huggins, 495 S.W.2d 621 (Tex. Ct. App. 1973) (party purchasing property with payor's knowledge, permission and money was payor's agent in transaction).
[148]*148As Villagomez8 successor, Aldan-Pierce assumes the role of agent.
As noted above, the trial court ruled that the agency relationship will terminate the moment Aldan-Pierce leases the property to Fennell and McMahon, and a constitutionally permissible lessor-lessee relationship will be established. Aldan-Pierce contends that (even accepting that she is currently Fennell and McMahon's agent) the ruling is correct. Because of our analysis below, we do not need to consider the question of precisely when the agency relationship will terminate. That is because Aldan-Pierce acts as Fennell and McMahon's trustee.
Trust
A. Resulting Trust
Where a transfer of property is made to one person and the purchase price is paid by another, a resulting trust arises in favor of the person by whom the purchase price is paid, except as stated in §§ 441, 442, and 444." Restatement (Second) of Trusts § 440 (1959) ,29 "Property that is purchased by an agent in his own [149]*149name, but with the principal's money, is held in trust for the benefit of the principal." Dixon, 495 S.W.2d at 625; see also 89 C.J.S. Trusts § 114 (1955) .30
The trustee of a resulting trust holds only the naked legal title for the benefit of the person furnishing the consideration, Ohio State Life Ins. Co. v. Union Properties, 52 N.E.2d 542, 543 (Ohio Ct. App. 1943), who holds the equitable interest.31
"Within the rule that a resulting trust arises in favor of the one paying for a conveyance to another, a 'conveyance' includes any transfer of title, legal or equitable . . . ." 89 C.J.S. Trusts § 118; see McClellan v. Beatty, 53 N.E.2d 1013 (Ind. App. 1944); rehearing denied 55 N.E.2d 327 (Ind. App. 1944) (equitable title held by vendee under executory land sale contract subject to resulting trust in favor of payor). Thus, since Villagomez (and now Aldan-Pierce, as her assignee) has acquired an equitable interest in the property, unless any exception applies a resulting trust for this interest has arisen in favor of the persons who [150]*150provided the option consideration, Fennell and McMahon.32
The exceptions cited in Restatement (Second) of Trusts § 440 preclude a resulting trust if the payor: (1) manifests an intention that no trust should arise (§ 441), (2) purchases the property in the name of a relative "or other natural object of bounty" (§ 442), or (3) purchases the property to accomplish an illegal purpose (§ 444) .
We will initially consider the last two exceptions.
Neither Villagomez nor Aldan-Pierce are "natural object[s] of bounty" to Fennell or McMahon:
The rule stated in this Section is applicable where the payor and transferee respectively are in the relation of husband and wife; father and child; mother and child; father-in-law and son-in-law; grandparent and grandchild. . . . It applies also where the payor stands in loco parentis to the transferee; that is, where the payor whether or not related to the transferee has assumed to act in the place of a parent of the transferee.
Id. § 442, Comment a. Fennell and McMahon are not related to Villagomez or Aldan-Pierce, and their social or professional association with them are insufficient to trigger this exception.
With respect to the third exception — purchase in the name of another to accomplish an illegal purpose — closer analysis is necessary. An analogy may be drawn to case law from jurisdictions in which it is (or was formerly) illegal for aliens to acquire land. Land acquired by an alien is subject to forfeiture:
In such States the equitable interest of an alien beneficiary of a trust of land is likewise subject to [151]*151forfeiture. . . . [I]f an alien pays the purchase price for land and at his direction the land is transferred to another under such circumstances that a resulting trust would arise if the payor were not an alien, a resulting trust arises in favor of the alien, and his interest is subject to forfeiture ....
Id. . § 444, Comment f. Thus, unless and until an alien's equitable interest is ruled invalid in a judicial proceeding, a resulting trust in real property in the alien's favor is valid. Isaacs v. De Hon, 11 F.2d 943 (9th Cir. 1926).
We adopt the principle set forth in Isaacs. A resulting trust in real property in the Coiiunonwealth in favor of a person who is not of Northern Marianas descent is valid, unless the equitable interest held for them in trust is declared, in a judicial proceeding, to be violative of Article XII. If the equitable interest is ruled violative of Article XII, the underlying transaction through which the person who is not of Northern Marianas descent acquired the interest becomes void abinitio.33 Article XII, ~ 6.
Accordingly, the third exception to the presumption of a resulting trust does not apply in this case.
The first exception&emdash;Restatement fSecond^ of Trusts § 441 (a resulting trust will not arise if the payor manifests an intention that no trust should arise)&emdash;is, at first glance, potentially applicable. However, according to official commentary to this [152]*152provision:
Where a transfer of property is made to one person and the purchase price is paid by another, the inference that a resulting trust was intended is rebutted if it appears that the payor intended that the transferee should have the beneficial interest in the property transferred. This is the case where it appears that the payor intended to make a gift of the property to the transferee (see § 447) , or to make a loan of the purchase price to the transferee. See § 445. So also, no resulting trust arises where the purchase price was paid to discharge a debt or other obligation owed by the payor to the transferee. See § 446.
Id., Comment a. There is no evidence in the record that Fennell and McMahon intended to make a loan of the purchase price to Villagomez, or that the money was paid to discharge a debt or other obligation.
Did Fennell and McMahon intend to make a gift of the property to Villagomez? In fact, the record indicates that prior to exercise of the option, the pair manifested an intention to retain an equitable interest of indeterminate (i.e., uncertain) duration. Villagomez' affidavit supports this conclusion.34 At the very [153]*153least, it is clear that Fennell and McMahon intended to retain an equitable interest limited to a leasehold for the maximum period permitted under Article XII. For the reasons stated below, Fennell and McMahon could not make a gift of this interest to Villagomez or Aldan-Pierce at the time of or subsequent to their acquisition of it.
To explain why this is so, it is necessary to state our ultimate decision in this case.
Today we rule that a resulting trust has arisen in favor of Fennell and McMahon for a constitutionally impermissible interest in real property. Since this challenged acquisition violates Article XII, we declare it invalid. Because Article XII, § 6 provides that transactions underlying impermissible acquisitions of real property are void ab initio, our decision "springs back" to September 15, 1984, when the option (the underlying transaction) was executed. Fennell and McMahon are thus retroactively divested of their constitutionally impermissible interest. Thus, they could not (and may not now) make a gift of that interest to Villagomez or Aldan-Pierce. In short, they had (have) nothing to give.
Accordingly, because of principles set forth in the [154]*154Restatement (Second^ of Trusts and because of the operative effect of Article XII, no exception applies in this case to rebut the presumption of a resulting trust. Despite Aldan-Pierce1s contention to the contrary, such a trust has arisen in favor of Fennell and McMahon.35
B. Resulting Trust for Limited Interest
Aldan-Pierce cites authority for the proposition that a resulting trust may be rebutted in part. She contends that although Fennell and McMahon may have acquired an equitable interest in real property in the Commonwealth, their interest is limited to a constitutionally permissible leasehold.
Fennell and McMahon disclaim any intention to take more than a leasehold for fifty-five years, the maximum interest they may legally acquire under Article XII. They contend that the underlying fee will remain with Aldan-Pierce.
It is, in fact, possible for a payor to acquire a leasehold interest in real property through a resulting trust. According to pertinent authority:
Where a transfer of property is made to one person and a part of thé purchase price is paid by another, a resulting trust arises in favor of the person by whom such payment is made in such proportion as the part paid by him bears to the total purchase price, unless he manifests an intention that no resulting trust should arise or that a resulting trust to that extent should not arise.
[155]*155Restatement (Second) of Trusts § 454. A relevant illustration of this principle is afforded in Byers v. Doheny, 287 P. 988 (Cal. Dist. Ct. App. 1930) ,36 In Bvers. a payor provided one-quarter of the purchase, price for a parcel of real property under an agreement that he would be entitled to a leasehold interest. According to the Bvers court:
If the parties had expressly agreed that the plaintiff would pay $25,000 for the leasehold interest and the defendant $75,000 for the land subject to the lease, the title to be taken in defendant's name, then, upon the consummation of the transfer, the defendant would undoubtedly hold title to the leasehold interest in trust for the plaintiff. This is in effect what the parties actually did, and the conclusion follows that the defendant holds title to the leasehold interest in trust for the plaintiff.
Id., 287 P. at 992.
As noted above, the record in this case indicates that Fennell and McMahon intended to retain an equitable interest of indeterminate duration. It is plain that they paid the entire option consideration. They also clearly intend to pay the entire purchase price. Villagomez paid nothing, and Aldan-Pierce is to pay nothing. This being so, the principle set forth in Restatement (Second) of Trusts § 454 is inapplicable.
The resulting trust that has arisen in favor of Fennell and McMahon is thus not rebutted in part.37 They have acquired an [156]*156equitable interest of indeterminate duration in real property in the Commonwealth.
Agencv-Trust
„An agancy j_s not a trust." Restatement (Second! of Trusts § 8.
Agencies and trusts resemble each other in many respects, in that both are relations of trust and confidence, but their points of difference are marked. An agent is ordinarily not the owner of property for the benefit of his principal, while, a trustee always holds the title to property for his cestui que trust.
Kuck v. Sommers, 100 N.E.2d 68, 75 (Ohio Ct. App. 1950) (emphasis in the original) . "An agent undertakes to act on behalf of his principal and subject to his control ... a trustee as such is not subject to the control of the beneficiary, except that he is under a duty to deal with the trust property for his benefit in accordance with the terms of the trust and can be compelled by the beneficiary to perform his duty." Restatement fSecond) of Trusts § 3, Comment b.
On the other hand, "[o]ne who has title to property which he agrees to hold for the benefit and subject to the control of another is an agent-trustee and is subject to the rules of agency." [157]*157Restatement (Second^ of Agency § 14B (1958), Aldan-Pierce is in the unusual position of occupying this dual relationship with Fennell and McMahon. See Dixon, supra (agent purchasing property m his own name with principal's money held property in trust for benefit of principal).
one duty imposed under the rules of agency applies to agents holding title:
Unless otherwise agreed, an agent who holds the title to something for the principal is subject to a duty to the principal to use reasonable care in the protection of the title which he so holds, to act in accordance with the directions of the principal, to use it only for the principal's benefit, and to transfer it upon demand or upon the termination of the agency.
Id. § 4 2 3 . 38 As set forth below, elements of this duty are also required of a trustee of a resulting trust.
D. The Duty of the Trustee of a Resulting Trust
"The trustee of a resulting trust, liXe the trustee of an express trust, is in a fiduciary relation to the beneficiary." Restatement (Second^ of Trusts. Introductory Note to Topic 1 at 326. "The trustee of a resulting trust ... is ordinarily under a duty merely to convey the property to the beneficiary or in accordance with his directions." Id. at 325.
[158]*158"A resulting trust ... is always a passive or dry trust, a mere holding of the title for the benefit of another, as the law, in creating a resulting trust in any one who takes title without paying the consideration, never imposes on such grantee any duties or responsibilities as to its management or control or disposition, except ... to reconvey to the cestui que trust or at his direction." Shelton v. Harrison, 167 S.W. 634, 638 (Mo. Ct. App. 1914) .39 However, the trustee is also "bound not to sell or incumber the property to the injury of the person for whose benefit the trust [is] presumed to arise." Milloarav v. Zacharias, 165 P. 977, 978 (Cal. Dist. Ct. App. 1917).
Aldan-Pierce insists that she is under no duty to hold or dispose of title to the property subject to Fennell and McMahon's wishes. "Under our agreement, they receive a lease, but what I do with the title is my business." Aldan-Pierce Supplemental Affidavit. This is a misconception based on the assumption that a resulting trust in an equitable interest of indeterminate duration has not arisen. In fact, under the principles noted above, Aldan-Pierce is restricted in what she may do with title to the property. Shelton, supra; Millogray, supra.
"A resulting trust terminates if the legal title to the trust [159]*159property and the entire beneficial [i.e. equitable] interest become united in one person." Restatement (Second) of Trusts § 410.40
If a trustee of a resulting trust transfers the trust property to the beneficiary or at his direction, the resulting trust terminates. . . . -If the beneficiary of a resulting trust has the entire beneficial interest in the trust property, he can at any time compel the trustee to transfer the trust property to him and thus terminate the resulting trust.
Id., Comment b.41
VII.
As noted'above, Mafnas contends that Fennell and McMahon have acquired an equitable fee interest in the property through Villagomez. We agree.
A. Fennell and McMahon's Equitable Fee Interest
Lvillagomez acquired an equitable interest in the property when she exercised the option on July 6, 1985. Phillips, supra. As payors of the option consideration, Fennell and McMahon actually own this interest under a resulting trust. McClellan, supra.42 [160]*160Since Fennell and McMahon’s equitable interest is of indeterminate (i.e., uncertain) duration it is a freehold interest.
If we were to affirm the trial court judgment compelling Mafnas to convey legal title, Aldan-Pierce would acquire only that: naked legal title. Ohio State Life Ins. Co., supra. Fennell and McMahon would continue to hold their freehold interest, with the right to compel Aldan-Pierce to convey legal title to them or to whomever they chose, at a time of their choosing. Shelton, supra; Milloqray, supra.
Since Fennell and McMahon are not of Northern Marianas descent, their acquisition of a freehold interest in the property violated Article XII. The underlying transaction—the option executed on September 15, 1984—is thus void ab initio. Article XII, § 6.
B. The "Other Means11 of Acquisition in Article XII
ln this case, a freehold interest in Commonwealth real property was acquired by persons who are not of Northern Marianas descent through a trustee who is of such descent. This is one of the "other means" of acquisition prohibited by Article XII, § 2: ”[t]he term acquisition . . . includes acquisition by sale, lease, gift, inheritance or other means.11 (Emphasis added.) The constitutional restriction would be undermined if persons who are not of Northern Marianas descent could acquire a prohibited [161]*161interest via a trust relationship.43 The only interests such persons are permitted to acquire are leaseholds of not more than fifty-five years. Article XII, § 3. No other exceptions are permitted44 to the restriction in Article XII, § 1. "For purposes of constitutional interpretation, the express mention of one thing implies the exclusion of another which might logically have been considered at the same time." State ex rel. O'Connell v. Slavin, 452 P.2d 943, 946 (Wash. 1969) (additional exception to constitutional restriction not permitted).
If a resulting trust in real property in the Commonwealth has arisen in favor of a person who is not of Northern Marianas descent,45 it is subject to being declared invalid in a judicial proceeding if the equitable interest held for them in trust violates Article XII.
In this case, evidence supporting a constitutionally permissible trust is absent.
We are not saying that Aldan-Pierce—a person of Northern [162]*162Marianas descent — may not legally acquire in her own name a "permanent or long-term interest[] in real property within the Commonwealth." Article XII, § 1. Rather, we are saying that Fennell and McMahon — persons who are not of Northern Marianas descent — may not acquire such interests indirectly through her or any other persons of Northern Marianas descent via a trust relationship.
We are not persuaded of the accuracy of Aldan-Pierce's claim that her agreement with Fennell and McMahon is an entrepreneurial partnership, whereby she provides "legal capacity" and Fennell and McMahon provide capital. The record does not support this contention. Even if we accepted it, we are not convinced that the framers of the NMI Constitution intended that acquisition of property under such an agreement would be permissible under Article XII.
We are, however, concerned with the possibility that a decision in favor of Mafnas may "unleash chaos into the Northern Marianas land title system and economy." Appellee's brief at 43.46 We note that our ruling might pose problems for land title researchers, who must now ascertain whether a conveyance of the sort we rule invalid in this case has occurred in the chain of title of tracts of Commonwealth real property. An infirmity may not be immediately apparent in land records. We also note amicus' concern that our decision may create difficulties with respect to loans secured by real property, title to which may be constitution[163]*163ally tainted.
Though these difficulties are troublesome, they do not permit us to disregard the mandate of Article XII and permit the trust relationship that has arisen in this case to remain in force. "It is not for the court to engraft an exception where none is expressed in the [state] constitution, no matter how desirable or expedient such an exception might seem." O'Connell, 452 P.2d at 946. We are duty-bound to give effect to the intention of the framers of the NMI Constitution and the people adopting it. Cobb v. State by Watanabe, 722 P.2d 1032 (Haw. 1986).47
VIII.
Based on the foregoing analysis, we hold that the exercise of the option at issue violated Article XII. Fennell and McMahon acquired a constitutionally impermissible interest in real property in the Commonwealth when the option was exercised on July 6, 1985. Accordingly, the underlying transaction became void ab initio, effective September 15, 1984, when it was executed. Article XII, § 6.
The Commonwealth Trial Court's summary judgment granting specific performance is REVERSED, and the case is REMANDED for [164]*164entry of judgment in favor of Mafnas.48
Entered this S day of July, 1991.
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