If the people of a city of the first class have approved an ordinance to let the city issue bonds to extend, enlarge, and improve its city-owned and operated waterworks, and if the ordinance allows only a specified portion of the bonds to be issued in any one year, the city may issue all, or some, of the bonds remaining unissued at any time, notwithstanding the ordinance.
Minn. Stat. § 456.31
(1491-1) 1923 c 36 s 1; 1988 c 469 art 7 s 1