Wyo. Stat. § 26-25-109: Commissioner's rules and regulations.

The commissioner may make any rules and regulations necessary for the execution of the functions vested in him by this chapter, and for that purpose may classify domestic stock insurers, securities and other persons or matters within his jurisdiction. No provision of W.S. 26-25-103 through 26-25-105 imposing any liability applies to any act performed or omitted in good faith in conformity with any rule or regulation of the commissioner, notwithstanding that the rule or regulation, after the act or omission, is amended or rescinded or determined by judicial or other authority to be invalid for any reason.