Colorado § 18-18-404 Unlawful use of a controlled substance

Colorado Statutes

§ 18-18-404 — Unlawful use of a controlled substance

Colorado § 18-18-404

Title 18Criminal

Art.Uniform Controlled Substances

This text of Colorado § 18-18-404 (Unlawful use of a controlled substance) is published on Counsel Stack Legal Research, covering Colorado primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook

Colo. Rev. Stat. § 18-18-404 (2026).

Text

(1)(a) Except as is otherwise provided for offenses concerning marijuana and marijuana concentrate in sections 18-18-406 and 18-18-406.5, or for natural medicine or natural medicine product in section 18-18-434, article 170 of title 12, or article 50 of title 44, any person who uses any controlled substance, except when it is dispensed by or under the direction of a person licensed or authorized by law to prescribe, administer, or dispense the controlled substance for bona fide medical needs, commits a level 2 drug misdemeanor.

(b)Repealed. (1.1) Repealed.

(2)and (3) (Deleted by amendment, L. 2010, (HB 10-1352), ch. 259, p. 1163, � 2, effective August 11, 2010.)

(4)Repealed.

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(1) (a) Except as is
otherwise provided for offenses concerning marijuana and marijuana concentrate in
sections 18-18-406 and 18-18-406.5, or for natural medicine or natural medicine
product in section 18-18-434, article 170 of title 12, or article 50 of title 44, any
person who uses any controlled substance, except when it is dispensed by or under
the direction of a person licensed or authorized by law to prescribe, administer, or
dispense the controlled substance for bona fide medical needs, commits a level 2
drug misdemeanor.

(b) Repealed.

(1.1) Repealed.

(2) and (3) (Deleted by amendment, L. 2010, (HB 10-1352), ch. 259, p. 1163, �
2, effective August 11, 2010.)

(4) Repealed.

Legislative History

Source: L. 92: Entire article R&RE, p. 354, � 1, effective July 1. L. 98: (4) added, p. 1435, � 4, effective July 1. L. 99: IP(1) amended, p. 799, � 17, effective July 1. L. 2000: (4) amended, p. 1359, � 41, effective July 1, 2001. L. 2002: (4) amended, p. 1583, � 12, effective July 1. L. 2003: (1) amended and (1.1) added, p. 2681, � 2, effective July 1; (3) amended, p. 2429, � 2, effective July 1. L. 2007: (1)(b) and (1.1) repealed, p. 1689, � 10, effective July 1. L. 2009: (4) repealed, (HB 09-1266), ch. 347, p. 1815, � 4, effective August 5. L. 2010: (1)(a), (2), and (3) amended, (HB 10-1352), ch. 259, p. 1163, � 2, effective August 11. L. 2012: (1)(a) amended, (SB 12-020), ch. 225, p. 988, � 5, effective May 29. L. 2013: (1)(a) amended, (SB 13-250), ch. 333, p. 1909, � 9, effective October 1. Initiated 2022: (1)(a) amended, Proposition 122, L. 2022, effective upon proclamation of the Governor, December 27, 2022. L. 2023: (1)(a) amended, (SB 23-290), ch. 249, p. 1412, � 25, effective July 1.