Neb. Rev. Stat. § 72-801: Neb. Rev. Stat. § 72-801

Any public building that is erected or repaired and for which an appropriation is made by the Legislature shall be constructed or repaired in a complete manner within the limits of such appropriation. Except as provided in sections 72-811 to 72-818 and 79-11,109 , no building shall be changed or diverted from the use or purpose, kind, or class of building from that for which the appropriation was originally made.