(a) If a charter is adopted, it may be amended by one of the following methods:
(1) The governing body of the consolidated local government may submit a proposed amendment by resolution to the voters at the next primary or general election. Notice of the election and the proposed amendment shall be published as a Class II legal advertisement in a newspaper of general circulation in the affected areas. If a majority of the legal votes cast by the qualified voters of the consolidated local government approve the amendment, then the amendment becomes effective as permitted by law;