1. The commissioner may, after notice and hearing, promulgate reasonable rules, as are necessary or proper to identify specific methods of competition or acts or practices which are prohibited by section 507B.4, 507B.4A, or 507B.5, but the rules shall not enlarge upon or extend the provisions of such sections. Such rules shall be subject to review in accordance with chapter 17A.2. The powers vested in the commissioner by this chapter shall be additional to any other powers to enforce any penalties, fines, or forfeitures authorized by law with respect to the methods, acts, and practices declared to be unfair or deceptive.Amended by 2020 Iowa, ch 1063, s 271, eff. 7/1/2020.Amended by 2019 Iowa, ch 24, s 76, eff. 7/1/2019.C58, 62, 66, 71, 73, 75, 77, 79, 81, § 507B.12 2001 Acts, ch 69, §11, 39