Section 4-507 - Effect of approval or disapproval of unified charter(a) If a majority of the voters casting votes in any municipality at a referendum do not vote to adopt the unified charter, the proposed merger is not approved.(b) If the unified charter is adopted, by referendum or by the legislative bodies when a referendum is not required, the adoption is final.Revised and recodified by 2013 Md. Laws, Ch. 119,Sec. 2, eff. 10/1/2013.