Municipal powers: State law may devolve authority to enable local self-government and to implement development and justice plans. State legislatures may, subject to the Constitution, endow Municipalities with powers and authority to function as institutions of local self-government, including devolution of powers and responsibilities for preparing plans for economic development and social justice and for performing functions and implementing schemes entrusted to them; Legislatures may also empower Committees to exercise authority necessary to carry out those responsibilities, including matters specified in the constitutional schedule governing municipal functions.