Nebraska Revised Statute 14-806
No bill or claim for labor, salary or material, or for extra service or overtime or account of any kind against the city, after it has been adversely reported on and rejected by the administration under which it has been incurred, and no bill, account or claim, not presented or claimed within eighteen months after it was incurred and payable, shall be allowed or authorized to be paid by any mayor and council except through the judgment of a court of competent jurisdiction. These provisions shall apply equally to any modification of the same account in whatever form it may be presented.
Laws 1921, c. 116, art. VII, § 6, p. 510;
C.S.1922, § 3714;
C.S.1929, § 14-806;
R.S.1943, § 14-806.