The superintendent of financial institutions, in accordance with Chapter 119 of the Revised Code, may adopt rules and issue specific orders to enforce and carry out the purposes of sections 1321.35 to 1321.48 of the Revised Code. The superintendent shall issue a rule defining “senior officer” for the purpose of section 1321.37 of the Revised Code. The superintendent may adopt, amend, and repeal substantive rules defining with reasonable specificity acts or practices that violate section 1321.45 of the Revised Code.