§ 2645. Charters; adoption, repeal, or amendment; procedure (a) A municipality may propose to the General Assembly to adopt, repeal, or amend its charter by majority vote of the legal voters of the municipality present and voting at any annual or special meeting warned for that purpose in accordance with the following procedure: (1) A proposal to adopt, repeal, or amend a municipal charter (charter proposal) may be made by the legislative body of the municipality or by petition of five percent of the voters of the municipality. (2) An official copy of the charter proposal shall be filed as a public record in the office of the clerk of the municipality at least 10 days before the first public hearing. The clerk shall certify the date on which he or she received the official copy, and the dated copies thereof shall be made available to members of the public upon request.