Ind. Code § 20-46-1-8.5
(a) A resolution to extend a referendum levy must be:
(2) approved in a referendum under this chapter;
before December 31 of the final calendar year in which the school corporation's previously approved referendum levy is imposed under this chapter.
As added by P.L.138-2016, SEC.5. Amended by P.L.189-2023, SEC.31; P.L.68-2025, SEC.216.