Wyo. Stat. § 9-14-203: Prohibiting the enforcement of federal regulation of firearms, firearm accessories, magazines and ammunition; penalties; defense of Wyoming citizens.

(a) This state and all political subdivisions of this state are prohibited from using any personnel or funds appropriated by the legislature of the state of Wyoming or any other source of funds that originated within the state of Wyoming to enforce, administer or cooperate with any unconstitutional act, law, treaty, executive order, rule or regulation of the United States government that infringes on or impedes the free exercise of individual rights guaranteed under the Second Amendment of the Constitution of the United States.

(b) Nothing in this act shall limit or restrict a public officer, as defined in W.S. 6-5-101(a)(v), from providing assistance to federal authorities for purposes not specifically identified in subsection (a) of this section. Nothing in this act shall be construed to prohibit Wyoming governmental entities from accepting federal funds for law enforcement purposes.

(c) Any public officer, as defined in W.S. 6-5-101(a)(v), who knowingly violates subsection (a) of this section is guilty of a misdemeanor punishable by imprisonment for not more than one (1) year, a fine of not more than two thousand dollars ($2,000.00), or both.