1. If a proposition to enlarge, reorganize, or change the boundary of a school district pursuant to sections 275.12 through 275.18 , 275.20 , and 275.22 , is approved by voters pursuant to section 275.18 prior to January 1, 2025, the change shall take effect on July 1 following the date of the reorganization election held pursuant to section 275.18 . 2. If a proposition to enlarge, reorganize, or change the boundary of a school district pursuant to sections 275.12 through 275.18 , 275.20 , and 275.22 , is approved by voters pursuant to section 275.18 on or after January 1, 2025, the change shall take effect on July 1 in the calendar year immediately subsequent to the calendar year in which the reorganization election was held pursuant to section 275.18 . [C54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §275.24 ] 83 Acts, ch 53, §3 ; 2008 Acts, ch 1115, §40, 71 ; 2021 Acts, ch 80, §147 ; 2025 Acts, ch 2, §1, 3 2025 amendment applies retroactively to January 1, 2025; 2025 Acts, ch 2, §3 Section amended