Neb. Rev. Stat. § 45-106

All warrants or orders issued by the proper authorities of any county, city, township, school district, other municipal subdivision less than a county, or sanitary district, whose area is located partly within a municipality, shall draw interest from and after the date of presentation for payment at such rate as is fixed by the issuing authority and endorsed on the warrant. All warrants issued by the state shall draw interest at the rate of four percent per annum from the date the same are presented for payment.