Ind. Code § 23-2-6-36
(b) Unless specifically provided in this chapter, a rule, a form, or an order may not be adopted, amended, or rescinded unless the commissioner finds that the action is:
(d) A provision of this chapter imposing any liability does not apply to an act that is:
(2) in conformity with a rule, an order, or a form adopted or issued by the commissioner;
even if the rule, order, or form is later amended, rescinded, or is determined to be invalid for any reason by judicial authority or other authority.
As added by P.L.177-1991, SEC.10.