The powers and duties of the Council include, but are not limited to the following.
   (A)   General.  All powers of the city are vested in the Council except as otherwise provided by law or ordinance.
(Iowa Code § 364.2(1))
   (B)   Fiscal authority.  The Council shall apportion and appropriate all funds, and audit and allow all bills, accounts, payrolls and claims and order payment thereof. It shall make all assessments for the cost of street improvements, sidewalks, sewers and other work, improvement or repairs which may be specially assessed.
(Iowa Code §§ 364.2(1), 384.16, 384.38(1))
   (C)   Public improvements.  The Council shall make all orders for the doing of work, or the making or construction of any improvements, bridges or buildings.
(Iowa Code § 364.2(1))
   (D)   Contracts.  The Council shall make or authorize the making of all contracts. No contract shall bind or be obligatory upon the city unless adopted by resolution of the Council.
   (E)   Setting compensation for elected officers.  By ordinance, the Council shall prescribe the compensation of the Mayor, Council members and other elected city officers, but a change in the compensation of the Mayor does not become effective during the term in which the change is adopted, and the Council shall not adopt an ordinance changing the compensation of any elected officer during the months of November and December in the year of a regular city election. A change in the compensation of Council members becomes effective for all Council members at the beginning of the term of the Council members elected at the election next following the change in compensation.
(Iowa Code § 372.13(8))
(1999 Code, § 17.02)