Sec. 2. An agency that has rulemaking authority may readopt a rule in anticipation of a rule's expiration under section 1 of this chapter. To readopt a rule, an agency may readopt the rule either:
(1) without changes in conformity with the procedures in sections 3 through 9 of this chapter; or
(2) with or without changes in conformity with the procedures in IC 4-22-2-23 through IC 4-22-2-36 (as modified by IC 13-14-9, when applicable).