OPINION AND ORDER
LETTOW, Judge.
In this tax-refund case, plaintiff Justin Schlabach seeks recovery of more than $10,000 in penalties and interest paid pursuant to 26 U.S.C. (“I.R.C.”) § 6702 for filing an allegedly frivolous tax return and an allegedly frivolous tax submission. A trial was held on July 25 and 26, 2011, in Spokane, Washington. Post-trial briefing followed thereafter, and the case is now ready for resolution.
FACTS1
On February 7, 2008, at the age of eighteen, Mr. Schlabach filed a Form 1040EZ tax return for the 2007 tax year. Tr. 30:13-16; PX 1; see also Tr. 409:3-19.2 The tax return, however, was not completed in an ordinary manner. Although Mr. Schlabach earned $16,125 in wages from two employers, PX 1, at 2-3; PX 6, at 2, 6,3 he reported $0 in adjusted gross income and claimed a $1,313.54 refund, PX 1, at 1. Mr. Schlabach did not attach to his return the Forms W-2 sent to him by his employers. Tr. 35:10-15; PX 1. Instead, he attached two Forms 4852, which are forms to be used as a substitute when an employer fails to send or sends an incorrect W-2. PX 1, at 2-3. To explain his [680]*680reporting of $0 gross income, Mr. Schlabach wrote on the two Forms 4852, “I did not receive an[] income as an employee as specifically defined at IRC section 3401 and 3121 and others.” Id. at 2; see also id. at 3. At trial, Mr. Schlabach stated that this manner of filing “was how I understood you reported your taxes.” Tr. 35:25 to 36:1. This understanding was influenced by the plaintiffs father, see Tr. 115:12 to 118:20, who in turn appears to have been influenced by the work of a tax protest promoter, see Tr. 229:14 to 230:15, 412:7-25. Mr. Schlabach at the time was (and still is) a student working his way through college.
Mr. Schlabaeh’s return was forwarded to the Internal Revenue Service’s (“IRS”) action center for frivolous returns, located in Ogden, Utah. See Tr. 175:15-25, 228:15-21, 234:23-25; DX 14, at 3 row 17.4 The Ogden office opened a control on Mr. Schlabaeh’s file in the IRS Information Data Retrieval System (“IDRS”), which control served as a signal to the rest of the IRS that the Ogden office was handling a frivolous-return matter related to Mr. Schlabach and that correspondence or other submissions from Mr. Schla-bach should be forwarded to the Ogden office. See Tr. 448:2-15, 519:8-14. By letter dated June 25, 2008, the Ogden office responded to Mr. Schlabach regarding his tax return for 2007, cautioning him that the return contained “positions identified as frivolous under [I.R.C. § ] 6702(c)” and providing 30 days for him to correct the return; otherwise, the letter warned, the IRS could assess a $5,000 fine. Tr. 41:1-4; PX 2. Mr. Schla-bach replied, requesting the IRS to explain how his position was frivolous and maintaining the correctness of his tax return. Tr. 42:23-25; PX 3. On November 5, 2008, the Ogden office sent a second warming letter. Tr. 44:15-17; PX 4. Then, on December 1, 2008, presumably on Ogden’s instruction, Tr. 500:15-18, the IRS office in Fresno, California sent Mr. Schlabach a notice imposing a $5,000 penalty for submitting a frivolous tax return. Tr. 48:7-8; PX 5.
Mr. Schlabach responded to the imposition by sending two sets of documents to the Fresno office. First, on December 1, 2008, under a letter of transmittal, he mailed a corrected, valid Form 1040A for the 2007 tax year. Tr. 36:11-14, 420:7-13; PX 6. Second, on December 4, 2008, he mailed a letter contesting the $5,000 penalty. Tr. 50:15-17; PX 7. Both sets of documents were forwarded to the Ogden office, where Mr. Schlabach’s transmittal and valid return were erroneously classified as frivolous correspondence and destroyed. See Tr. 192:9-13, 241:3-14; PX 12; DX 14, at 3 rows 1-2. This conclusion is inferred from several facts.5 First, the control on Mr. Sehlabach’s file in the IDRS would have instructed the Fresno office to forward Mr. Schlabach’s correspondence and returns to Ogden. See Tr. 446:14-23. Second, Mr. Schlabach sent these two items in early December 2008, and the Ogden office’s master database file for Mr. Schlabach records two items, and two items only, as having been received (and then destroyed) in December 2008: one on December 11, the other on December 12. DX 14, at 3 rows 1-2; see Tr. 240:13 to 241:14. Third, no receipt of a valid return was contemporaneous!y recorded in Mr. Sehlabach’s IRS master file. Tr. 428:22 to 429:10; see also DX 9. Fourth, a letter dated February 18, 2009 to Mr. Schlabach from the Fresno office stated that the office could not find a Form 1040 sent by Mr. Schlabach for the 2007 tax year. Tr. 63: 1-3; PX 12. While the letter from the Fresno office says that the missing 1040 was dated December 24, 2008, PX 12, the court finds that the 1040 referred to is Mr. Schlabaeh’s corrected return sent on December 1, 2008, and [681]*681that the listed date of December 24, 2011 may either be when the return was handled by an IRS office or reflect an error. See Tr. 506:12-14 (Test, of Tara Durrant, Program Management Analyst for the IRS Frivolous Return Program) (“I know mistakes are made and normally are finger errors such as receive date, IRS receive dates. That’s the common thing I see in errors.”); Tr. 507:4-6 (same).6 Finally, Ms. Durrant’s testimony respecting whether the Ogden office had misidentified and destroyed the valid 1040 was based upon what should have happened and was not credible in the specific circumstances. See Tr. 417:12 to 420:23, 505:25 to 507:6.
On February 23, 2009, in response to the Fresno office’s letter about the missing Form 1040, Mr. Sehlabach again mailed his corrected return. Tr. 63:19-24; see PX 13. This time, it was received in due course, Tr. 65:22-23; PX 15; PX 16, and Mr. Schla-bach’s tax refund for 2007 was later applied to reduce one of his penalties, Tr. 94:8-12; PX 26.
Meanwhile, Mr. Sehlabach addressed the frivolous-return penalty imposed against him regarding the original return. Based upon the dates of the relevant documents, that penalty imposition had probably crossed in the mail with Mr. Schlabaeh’s submission of a proper return for 2007. During January and February 2009, the IRS sent a bill for the penalty and a warning that they would levy on Mr. Schlabaeh’s assets if he did not pay, to each of which Mr. Sehlabach responded with letters containing various requests and arguments. Tr. 53:16 to 57:18; PX 8 to PX 11. Thereafter, on May 5, 2009, Mr. Schla-baeh submitted a Form 12153 Request for a Collection Due Process or Equivalent Hearing (“CDP hearing request”) to contest the penalty. Tr. 59:13-17; DX 5. The Fresno office of the IRS acknowledged receipt of the CDP hearing request on May 20, 2009, Tr. 65:3-5; PX 14, and the appeals office in Fresno sent advice of its procedures on June 25, 2009, Tr. 66:16-18; PX 17. Shortly thereafter, on July 1, 2009, the Fresno office informed Mr. Sehlabach that his appeals request was based on a frivolous position and that he needed to either withdraw his appeal entirely or “[a]mend [his] hearing request in writing, to state a legitimate issue and state in writing that [he] withdraw[s] the frivolous ... issue(s).” PX 18, at 2 (emphasis omitted); see Tr. 67:2-3, 10-15. On July 16, 2009, Mr.
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OPINION AND ORDER
LETTOW, Judge.
In this tax-refund case, plaintiff Justin Schlabach seeks recovery of more than $10,000 in penalties and interest paid pursuant to 26 U.S.C. (“I.R.C.”) § 6702 for filing an allegedly frivolous tax return and an allegedly frivolous tax submission. A trial was held on July 25 and 26, 2011, in Spokane, Washington. Post-trial briefing followed thereafter, and the case is now ready for resolution.
FACTS1
On February 7, 2008, at the age of eighteen, Mr. Schlabach filed a Form 1040EZ tax return for the 2007 tax year. Tr. 30:13-16; PX 1; see also Tr. 409:3-19.2 The tax return, however, was not completed in an ordinary manner. Although Mr. Schlabach earned $16,125 in wages from two employers, PX 1, at 2-3; PX 6, at 2, 6,3 he reported $0 in adjusted gross income and claimed a $1,313.54 refund, PX 1, at 1. Mr. Schlabach did not attach to his return the Forms W-2 sent to him by his employers. Tr. 35:10-15; PX 1. Instead, he attached two Forms 4852, which are forms to be used as a substitute when an employer fails to send or sends an incorrect W-2. PX 1, at 2-3. To explain his [680]*680reporting of $0 gross income, Mr. Schlabach wrote on the two Forms 4852, “I did not receive an[] income as an employee as specifically defined at IRC section 3401 and 3121 and others.” Id. at 2; see also id. at 3. At trial, Mr. Schlabach stated that this manner of filing “was how I understood you reported your taxes.” Tr. 35:25 to 36:1. This understanding was influenced by the plaintiffs father, see Tr. 115:12 to 118:20, who in turn appears to have been influenced by the work of a tax protest promoter, see Tr. 229:14 to 230:15, 412:7-25. Mr. Schlabach at the time was (and still is) a student working his way through college.
Mr. Schlabaeh’s return was forwarded to the Internal Revenue Service’s (“IRS”) action center for frivolous returns, located in Ogden, Utah. See Tr. 175:15-25, 228:15-21, 234:23-25; DX 14, at 3 row 17.4 The Ogden office opened a control on Mr. Schlabaeh’s file in the IRS Information Data Retrieval System (“IDRS”), which control served as a signal to the rest of the IRS that the Ogden office was handling a frivolous-return matter related to Mr. Schlabach and that correspondence or other submissions from Mr. Schla-bach should be forwarded to the Ogden office. See Tr. 448:2-15, 519:8-14. By letter dated June 25, 2008, the Ogden office responded to Mr. Schlabach regarding his tax return for 2007, cautioning him that the return contained “positions identified as frivolous under [I.R.C. § ] 6702(c)” and providing 30 days for him to correct the return; otherwise, the letter warned, the IRS could assess a $5,000 fine. Tr. 41:1-4; PX 2. Mr. Schla-bach replied, requesting the IRS to explain how his position was frivolous and maintaining the correctness of his tax return. Tr. 42:23-25; PX 3. On November 5, 2008, the Ogden office sent a second warming letter. Tr. 44:15-17; PX 4. Then, on December 1, 2008, presumably on Ogden’s instruction, Tr. 500:15-18, the IRS office in Fresno, California sent Mr. Schlabach a notice imposing a $5,000 penalty for submitting a frivolous tax return. Tr. 48:7-8; PX 5.
Mr. Schlabach responded to the imposition by sending two sets of documents to the Fresno office. First, on December 1, 2008, under a letter of transmittal, he mailed a corrected, valid Form 1040A for the 2007 tax year. Tr. 36:11-14, 420:7-13; PX 6. Second, on December 4, 2008, he mailed a letter contesting the $5,000 penalty. Tr. 50:15-17; PX 7. Both sets of documents were forwarded to the Ogden office, where Mr. Schlabach’s transmittal and valid return were erroneously classified as frivolous correspondence and destroyed. See Tr. 192:9-13, 241:3-14; PX 12; DX 14, at 3 rows 1-2. This conclusion is inferred from several facts.5 First, the control on Mr. Sehlabach’s file in the IDRS would have instructed the Fresno office to forward Mr. Schlabach’s correspondence and returns to Ogden. See Tr. 446:14-23. Second, Mr. Schlabach sent these two items in early December 2008, and the Ogden office’s master database file for Mr. Schlabach records two items, and two items only, as having been received (and then destroyed) in December 2008: one on December 11, the other on December 12. DX 14, at 3 rows 1-2; see Tr. 240:13 to 241:14. Third, no receipt of a valid return was contemporaneous!y recorded in Mr. Sehlabach’s IRS master file. Tr. 428:22 to 429:10; see also DX 9. Fourth, a letter dated February 18, 2009 to Mr. Schlabach from the Fresno office stated that the office could not find a Form 1040 sent by Mr. Schlabach for the 2007 tax year. Tr. 63: 1-3; PX 12. While the letter from the Fresno office says that the missing 1040 was dated December 24, 2008, PX 12, the court finds that the 1040 referred to is Mr. Schlabaeh’s corrected return sent on December 1, 2008, and [681]*681that the listed date of December 24, 2011 may either be when the return was handled by an IRS office or reflect an error. See Tr. 506:12-14 (Test, of Tara Durrant, Program Management Analyst for the IRS Frivolous Return Program) (“I know mistakes are made and normally are finger errors such as receive date, IRS receive dates. That’s the common thing I see in errors.”); Tr. 507:4-6 (same).6 Finally, Ms. Durrant’s testimony respecting whether the Ogden office had misidentified and destroyed the valid 1040 was based upon what should have happened and was not credible in the specific circumstances. See Tr. 417:12 to 420:23, 505:25 to 507:6.
On February 23, 2009, in response to the Fresno office’s letter about the missing Form 1040, Mr. Sehlabach again mailed his corrected return. Tr. 63:19-24; see PX 13. This time, it was received in due course, Tr. 65:22-23; PX 15; PX 16, and Mr. Schla-bach’s tax refund for 2007 was later applied to reduce one of his penalties, Tr. 94:8-12; PX 26.
Meanwhile, Mr. Sehlabach addressed the frivolous-return penalty imposed against him regarding the original return. Based upon the dates of the relevant documents, that penalty imposition had probably crossed in the mail with Mr. Schlabaeh’s submission of a proper return for 2007. During January and February 2009, the IRS sent a bill for the penalty and a warning that they would levy on Mr. Schlabaeh’s assets if he did not pay, to each of which Mr. Sehlabach responded with letters containing various requests and arguments. Tr. 53:16 to 57:18; PX 8 to PX 11. Thereafter, on May 5, 2009, Mr. Schla-baeh submitted a Form 12153 Request for a Collection Due Process or Equivalent Hearing (“CDP hearing request”) to contest the penalty. Tr. 59:13-17; DX 5. The Fresno office of the IRS acknowledged receipt of the CDP hearing request on May 20, 2009, Tr. 65:3-5; PX 14, and the appeals office in Fresno sent advice of its procedures on June 25, 2009, Tr. 66:16-18; PX 17. Shortly thereafter, on July 1, 2009, the Fresno office informed Mr. Sehlabach that his appeals request was based on a frivolous position and that he needed to either withdraw his appeal entirely or “[a]mend [his] hearing request in writing, to state a legitimate issue and state in writing that [he] withdraw[s] the frivolous ... issue(s).” PX 18, at 2 (emphasis omitted); see Tr. 67:2-3, 10-15. On July 16, 2009, Mr. Sehlabach submitted an “appeal amendment,” which stated, “[p]er your instructions I am withdrawing anything that was or seems to be frivolous or that would impede the collection of any tax____ My appeal is amended to address these legal issues ONLY and ... I have not nor would intend on making any arguments that are not base[d] on the law.” DX 7, at 1; see Tr. [682]*68267:15-20. Mr. Sehlabaeh’s amendment then went on to challenge the first penalty solely on the basis that it had not been approved in writing by an IRS supervisor as required by I.R.C. § 6751(b)(1). DX 7, at l.7 The amendment also included a lengthy postscript expressing Mr. Schlabach’s frustration and confusion. See id. at 3 (“I do not understand what [the IRS is] doing or what is going on any longer!”); id. (“I want to have this hearing to get everything out of the way, understand what is going on, and hopefully be able to repair the relationship between the IRS and myself without having to pay this penalty [which] I have no idea why I received it.”). On August 20, 2009, Fresno replied by denying Mr. Schlabach’s hearing request on the grounds that he “did not respond with a legitimate reason or withdraw the frivolous reason or reason reflecting a desire to delay or impede federal tax administration.” PX 19, at 1; see Tr. 68:16-18.
Less than a month later, on September 7, 2009, the IRS sent Mr. Schlabach a second warning that it would levy on his assets if he did not pay his penalty. Tr. 69:15-18; PX 20. Mr. Schlabach acquiesced, paying the penalty plus interest, totaling $5,176.96, on September 14, 2009. Tr. 72:7-15; PX 21. Mr. Schlabach later filed a refund request. See Tr. 88:3-5; PX 27.
Shortly after Mr. Schlabaeh’s payment of the initial penalty, the Ogden office assessed a second penalty, this time based on Mr. Schlabaeh’s CDP hearing request. The Ogden office had received the CDP hearing request from Fresno in early May 2009, Tr. 206:24 to 207:10, 423:13 to 424:9; DX 14, at 2 row 15, and then approved a frivolous-submission penalty for it on or about October 5, 2009, Tr. 207:16-19, 425:14-17; DX 13; DX 14, at 2 rows 13-14. On October 26, 2009, the IRS sent Mr. Schlabach notice of this second penalty. Tr. 73:6-7; PX 22.
At this juncture, Mr. Schlabach was confused by the second penalty as it was nearly identical to the first and issued shortly after he had paid that penalty. Tr. 74:3-13, 75:2— 3. On November 1, 2009, he sent a letter to the Fresno office expressing this confusion and requesting a correction. Tr. 75:2-5; PX 23.8 The IRS sent a series of letters to Mr. Schlabach in the ensuing months, each of which stated that the IRS needed additional time to research Mr. Sehlabach’s inquiry. Tr. 83:1-4; PX 25; PX 30; PX 33; PX 34; see also PX 37. Ms. Durrant identified the IRS’ correspondence as “stall letters.” Tr. 516:9-13. Concurrently, the IRS sent repeated requests to Mr. Schlabach urging him to pay the second penalty. Tr. 79:20-21, 89:25 to 90:1; PX 24; PX 28. On January 14, 2010, Mr. Schlabach paid the second penalty. Tr. 90:25; PX 29.9 Nine months later, after having filed a fruitless refund request, see Tr. 95:8; PX 31, on October 6, 2010, Mr. Schlabach filed the present action.
STANDARDS FOR DECISION
This court has jurisdiction under the Tucker Act, 28 U.S.C. § 1491(a)(1), over claims for federal tax refunds. See Ledford v. United States, 297 F.3d 1378, 1382 (Fed. Cir.2002); Dominion Res., Inc. v. United States, 97 Fed.Cl. 239, 246 (2011); cf. 28 U.S.C. § 1346(a)(1) (providing the district court shall have jurisdiction concurrent with the Court of Federal Claims to consider tax-[683]*683refund suits). Tax-refund suits are entertained de novo, not as “a quasi appellate review of an administrative determination.” International Paper Co. v. United States, 36 Fed.Cl. 313, 322 (1996) (quoting Hearst Corp. v. United States, 28 Fed.Cl. 202, 230 (1993)); see Cencast Servs., L.P. v. United States, 94 Fed.Cl. 425, 453 (2010). In a typical tax-refund suit, “the IRS assessment is presumed to be correct[] and the taxpayer bears the burden of coming forward with evidence to overcome this presumption.” Cencast, 94 Fed.Cl. at 453. In this instance, however, the burden of production of evidence and of proof is different. “In any proceeding involving the issue of whether or not any person is liable for a penalty under [S]eetion ... 6702, the burden of proof with respect to such issue [is] on the Secretary.” I.R.C. § 6703(a). Thus, the court must determine whether the government produced sufficient evidence at trial to justify each of the penalties assessed against Mr. Schlabach.
ANALYSIS
The IRS assessed penalties against Mr. Schlabach for allegedly violating I.R.C. § 6702, which prohibits the filing of frivolous tax returns and “specified frivolous submissions.” I.R.C. § 6702(b). For a tax return to be frivolous, it must be facially incorrect or its correctness must be unaseertainable, and it must be “based on a position which the Secretary has identified as frivolous under [I.R.C. § 6702(c) ]” or “reflect[ ] a desire to delay or impede the administration of [fjed-eral tax laws.” Id. § 6702(a)(2)(A)-(B). Correlatively, a specified submission, including “a request for a hearing under ... [I.R.C. § ] 6330,” id. § 6702(b)(2)(B)(i), is frivolous if it, like a frivolous tax return, is based on a position listed under I.R.C. § 6702(e) or seeks to delay or impede federal tax administration. Id. § 6702(b)(2)(A). Pursuant to I.R.C. § 6702(c), the IRS has issued three successive lists of frivolous positions. See Notice 2010-33, 2010-17 I.R.B. 609, 2010 WL 1347082 (Apr. 7, 2010), superseding Notice 2008-14, 2008-4 I.R.B. 310, 2008 WL 116049 (Jan. 14, 2008), superseding Notice 2007-30, 2007-1 C.B. 883, 2007 WL 777149 (Mar. 16, 2007).
A. The Tax-Return Penalty
Mr. Sehlabach’s original Form 1040EZ reports zero income for the year 2007, yet claims a tax refund of $1,313.54. PX 1, at 1. It thus “contains information that on its face indicates that the self-assessment is substantially incorrect.” I.R.C. § 6702(a)(1)(B). Second, the tax return includes Forms 4852 which state that “I did not receive an[] income as an employee as specifically defined at IRC section 3401 and 3121 and others.” PX 1, at 2; see also id. at 3. This practice has been identified by the IRS as frivolous under I.R.C. § 6702(c). See Notice 2008-14, 2008 WL 116049, at ¶ (7) (referencing Rev. Rui. 2006-18, 2006-1 C.B. 743, 2006 WL 649906 (Mar. 16, 2006) (describing as frivolous the filing of a Form 4852 accompanying a claim that the filer is not an employee under I.R.C. §§ 3401 or 3121)). Similar tax returns and arguments have been held frivolous by this court. See Waltner v. United States, 98 Fed.Cl. 737, 740, 767 (2011) (holding to be frivolous a return that reported zero taxable income and that included a Form 4852 which cited I.R.C. §§ 3121 and 3401). Other courts have done the same. See, e.g., Barrett v. United States, 369 Fed. Appx. 65, 66-67 (11th Cir.2010) (per curiam); Montero v. Commissioner, 354 Fed.Appx. 173, 174, 176 (5th Cir.2009) (per curiam).
Mr. Schlabach filed a corrected, proper return approximately five months after receiving notice of his Section 6702 violation, compare PX 2, with PX 6, but that was too late to absolve him of the penalty. See PX 2 (affording a 30-day grace period to withdraw a submission after having been given notice that it was frivolous); cf. I.R.C. § 6702(d) (allowing the IRS to reduce the penalty if “such reduction would promote compliance with and administration of the [fjederal tax laws.”). Thus, the court holds that the IRS was justified in assessing Mr. Schlabach a penalty under I.R.C. § 6702(a) for his submission of a frivolous Form 1040EZ for tax year 2007.
B. The “Specified Frivolous Submission” Penalty
1. The CDP hearing request.
The second penalty was assessed because Mr. Schlabach’s CDP hearing request [684]*684was allegedly a “specified frivolous submission.” I.R.C. § 6702(b). The government’s burden of proving that Mr. Schlabaeh is liable for this second penalty is made more difficult by the many procedural irregularities associated with this imposition. Most importantly, the IRS’ Ogden office erroneously classified Mr. Sehlabaeh’s corrected return submitted in early December 2008 as frivolous correspondence and destroyed it. See supra, at 679-81. Had the Ogden office preserved and examined Mr. Schlabach’s amended return, as it should have, the frivolousness determination may have had a different result. Cf. Jenkins v. United States, 101 Fed.Cl. 122, 130 (2011) (loss of a plaintiffs IRS administrative file “require[d the government] to show that a prima facie case for the assessment of [a] penalty existed”).10 Second, and crucially, the Ogden office never received Mr. Schlabach’s subsequent “appeal amendment” dated July 16, 2009, which purported to withdraw “anything that was or seems to be frivolous or that would impede the collection of any tax.” DX 7, at 1; see DX 14, at 2-3 (no documents from Mr. Schla-baeh received by the Ogden office between May 4, 2009 and January 1, 2010); cf Tr. 23:24-25 (government’s counsel’s noting that “the amendment was received” but not specifying by whom or when). This amendment should have been considered by the IRS’ office in Ogden prior to its frivolousness determination. Third, the IRS’ various offices failed to coordinate their activity and correspondence with Mr. Schlabaeh regarding his returns and the CDP hearing request. See Tr. 240:14-21, 428:14 to 430:5, 496:16 to 497:16, 510:14-23. Notably, the IRS’ offices apart from Ogden could not readily determine why Mr. Schlabaeh was assessed the second $5,000 penalty shortly after paying the initial $5,000 penalty. See PX 25 (Dec. 11, 2009) (IRS letter from Kansas City, Missouri, stating that the IRS needed more time to research why Mr. Schlabaeh was assessed a second penalty); PX 30 (Jan. 26, 2010) (same); PX 33 (Mar. 18, 2010) (correspondence from the IRS’ Fresno office stating the same); PX 34 (May 4, 2010) (same); see also PX 37 (Dec. 23, 2009) (notes of an IRS employee’s commentary that the penalty “[d]oesn’t look right”). In sum, the IRS could not have given measured consideration to the frivolousness vel non of Mr. Schla-bach’s CDP hearing request.
The government’s witness, Ms. Durrant, testified about her impressions why Mr. Schlabach’s CDP hearing request had been determined by the Ogden office’s reviewer to be frivolous.11 She noted that Mr. Schlabaeh had used the phrase “Title 26,” and that phrase “is used quite frequently by our frivolous filers.” Tr. 452:21-23. She also commented that the statement in the hearing request that “there is no basis for the civil penalty,” Tr. 453:13-14 (quoting DX 5, at 7), “[t]o me ... challeng[es] ... the assessment or the authority of the assessment,” Tr. 453:19-20. These statements, however, are not specific and fail to distinguish Mr. Schlabach’s hearing request from non-frivolous requests. Ms. Durrant also cited the fact that Mr. Schlabach’s hearing request “challengfes] who should sign.” Tr. 452:22-23 (referring to the hearing request’s citations of I.R.C. § 6751). I.R.C. § 6751 does, however, include a requirement that no penalty under the Code “shall be assessed unless the initial determination of such assessment is personally approved (in writing) by the immediate supervisor of the individual making such determination or such higher court official as the Secretary may designate.” I.R.C. § 6751(b)(1). The notice of penalty imposition provided to Mr. Schlabaeh had not included information about this approval, see PX 22, nor had Mr. Schlabaeh previously had [685]*685an opportunity to address the approval.12 While many signature-based challenges have been identified as frivolous, see Notice 2008-14, 2008 WL 116049, at ¶¶ (27), (29), (34), none specifically takes the form of words used by Mr. Schlabaeh. Absent such identification, Ms. Durrant’s general invocation of signature-based challenges is not enough. Where the IRS’ determination is not based upon a published frivolous position but rather on a deemed purpose to delay or impede the operation of federal tax law, the IRS must explain the basis for its determination. See Thomberry v. Commissioner, 136 T.C. 356, 369, 372 (2011) (observing that “a taxpayer who is notified that an unspecified portion of the request, while not based on a published frivolous position, reflects a desire to delay or impede the administration of [fjederal tax laws[,] may not be able to identify and withdraw that portion without further explanation,” and opining that “[I.R.C. § ] 6330(g) requires the Appeals Office to determine the specific portions of petitioners’ request for a hearing that are regarded as frivolous or reflect a desire to delay or impede the administration of [fjederal tax laws, leaving only for hearing the legitimate and bona fide issues petitioners raised”). Finally, Ms. Dur-rant indicated that other statements by Mi’. Schlabaeh in the CPD hearing request “lean[ ] toward frivolous.” Tr. 454:9-13. These tepid pronouncements do not suffice to persuade the court that Mr. Schlabach’s CDP hearing request was frivolous. Consequently, the second penalty cannot stand.
2. The “appeal amendment.”
Even if Mr. Schlabach’s initial CDP hearing request were to be considered frivolous, contrary to the determination made above, that would not justify the second penalty. Specifically, Mr. Schlabaeh’s appeal amendment, filed pursuant to I.R.C. § 6702(b)(3), withdrew any potentially frivolous portions of his initial CDP hearing request. Mr. Schlabach’s appeal amendment explicitly stated:
Per your instructions I am withdrawing anything that was or seems to be frivolous or that would impede the collection of any tax and ... I am not attempting to impede the administration of federal tax laws in any way. My appeal is amended to address these legal issues ONLY and ... I have not nor would intend on making any arguments that are not base[d] on the law.
DX 7, at 1. Further, contrary to a contention by the government, the appeal amendment does not resurrect the portions of the original CDP hearing request addressed by Ms. Dun-ant in her testimony. No mention is made of “Title 26,” or of a “record of assessment,” compare Tr. 452:7-22, 454:11-13, and DX 5, at 4-6, with Notice 2008-14, 2008 WL 116049, at ¶¶ (27), (33), (34), or of a signature requirement on the notice of deficiency, compare Tr. 452:22-23, and DX 5, at 6, with Notice 2008-14, 2008 WL 116049, at ¶¶ (27), (29), (34).13
Instead, the appeal amendment argues only that “a taxpayer may challenge the assessment of the [Sjection 6702 penalty on the ground that the assessments were not personally approved in writing in accordance with [Sjection 6751(b).” DX 7, at 1. The IRS has not listed this argument as a frivolous position, nor, considering Mr. Schla-bach’s genuine confusion expressed in his postscript to the appeals amendment, does it “reflectf] a desire to delay or impede the administration of federal tax laws.” See Thomberry, 136 T.C. at 370; Callahan v. Commissioner, 130 T.C. 44, 53 (2008).14 Mr. [686]*686Schlabaeh’s appeal amendment manifestly was not considered by the IRS’ Ogden office before it imposed the second penalty, and, thus, this independent ground also supports negation of the second penalty.
CONCLUSION
For the reasons stated, the court finds that Mr*. Schlabach may not recover the money paid in satisfaction of the initial frivolous-tax-return penalty assessed against him. However, the court also finds that the IRS has not met its burden of proof to support the second penalty for a “frivolous specified submission” in the form of Mr. Schlabach’s CDP hearing request. Consequently, Mr. Sehla-bach is entitled to a refund of the second penalty, amounting to $5,027.86, plus interest at the rate provided by law. The clerk shall enter judgment in accord with this disposition.
No costs.
It is so ORDERED.