This Part shall apply only to those cities having the council-manager form of government. If the powers and duties of a city manager set out in any city charter shall differ materially from those set out in G.S. 160A-148, the council may by ordinance confer or impose on the manager any of the powers or duties set out in G.S. 160A-148 but not contained in the charter.
N.C. Gen. Stat. § 160A-152