Indiana Code Title 13. Environment § 13-14-9-16

Sec. 16. (a) For a rule document subject to this chapter, the one (1) year period established under IC 4-22-2-25 in which to adopt a rule and obtain the approval or deemed approval of the governor commences on the date that the initial public comment period notice for the rule document is published in the Indiana Register under section 4 of this chapter.

(b) If an agency determines that a rule cannot be adopted within one (1) year after the publication of the notice, the department shall, before two hundred fifty (250) days following the publication of the notice, notify the publisher by electronic means:

(c) If a rule is not approved before the later of:

a later approval or deemed approval is ineffective, and the rule may become effective only through another rulemaking action initiated under this chapter.