§ Ind. Code § 3-10-9-3Certification of question

(a) Except as provided in subsection (b), if a local public question must be
certified to an election board by law, that certification must occur no later than noon:
(1) seventy-four (74) days before a primary election if the public question is to be
placed on the primary or municipal primary election ballot; or
(2) August 1 if the public question is to be placed on the general or municipal election
ballot.
(b) A referendum or local public question:
(1) under IC 20-46-1;
(2) under IC 20-46-9; or
(3) under IC 6-1.1-20 for controlled projects;
may be placed on the ballot only at a general election. Certification of a local public question
under this subsection must occur not later than noon August 1.