All laws and parts of laws, general, local, or special, relating to or affecting the city, its powers, functions, duties, and property, in force on March 4, 1977, are hereby continued in effect; but all such laws relating to the exercise of powers, functions, and duties by the commission or mayor-council or some other form of government shall be superseded to the extent that the same are inconsistent with this part.

(Acts 1977, No. 71, p. 78, § 11.01.)