N.Y.C. Charter § 1141: Section 1141. Rights of officers and employees preserved.

Nothing in this charter contained shall affect or impair the rights or privileges of officers or employees of the city or of any agency existing at the time when this charter shall take effect, or any provision of law in force at the time when this charter shall take effect and not inconsistent with the provisions of this charter, in relation to the personnel, appointment, ranks, grades, tenure of office, promotion, removal, pension and retirement rights, civil rights or any other rights or privileges of officers or employees of the city generally or officers or employees of any agency.