Nebraska Revised Statutes Chapter 32. Elections § 32-405. Special election; when held

(a) Any special election under the Election Act shall be held on the first Tuesday following the second Monday of the selected month, except that if such day falls upon a legal holiday, the election shall be held on the first Tuesday following the first Monday of the selected month;

(b) No special election shall be held under the Election Act in March, April, May, June, October, November, or December of an even-numbered year unless it is held in conjunction with the statewide primary or general election; and

(c) No special election shall be held under the Election Act in August or September of an even-numbered year except as provided in section 32-564 and except for a special election by a political subdivision pursuant to section 13-519 to exceed an applicable allowable growth percentage or section 77-3444 to exceed a property tax levy limit in section 77-3442.