53 Pa.C.S. § 3002: Officers and employees.

Each municipality under this subchapter shall be governed by an elected council, an elected executive who may be called mayor, as determined by the government study commission, an elected district attorney in the case of counties and, when recommended by the commission and adopted by the voters, an elected treasurer, an elected controller and by such other officers and employees as may be duly appointed pursuant to this subchapter or other applicable law.