(1) There shall be no orders, authorizations, allowances, contracts or payments made or attempted to be made in excess of the expenditure allowances authorized in the final budget as adopted or modified as provided in this chapter, and any such attempted excess expenditure shall be void and shall never be the foundation of a claim against the city.
(2) Any public official authorizing, auditing, allowing, or paying any claims or demands against the city in violation of the provisions of this chapter shall be jointly and severally liable to the city in person and upon their official bonds to the extent of any payments upon such claims or demands.
(3) Any person violating any of the provisions of this chapter, in addition to any other liability or penalty provided therefor, is guilty of a misdemeanor.