Haw. Rev. Stat. § 431:4-214

The commissioner may make such rules and regulations as may be necessary for the execution of the functions vested in the commissioner by section 431:4-208 to section 431:4-214, and may for such purpose classify domestic stock insurance companies, securities, and other persons or matters within the commissioner's jurisdiction. No provision of section 431:4-208 to section 431:4-210 imposing any liability shall apply to any act done or omitted in good faith in conformity with any rule or regulation of the commissioner, notwithstanding that such rule or regulation may, after such act or omission, be amended or rescinded or determined by judicial or other authority to be invalid for any reason.