N.Y. Second Class Cities Law § 41: Executive functions; how performed

§ 41. Executive functions; how performed. Whenever an executive or

administrative function is by law or ordinance of the common council

required to be performed, the same shall be performed by the proper

executive or administrative officer or department, designated in the law

or ordinance, and in case no such designation be thus made the mayor

shall make the same, but no ordinance shall be passed interfering with

the exercise of the executive functions of the officers, departments and

boards of the city, as provided in this chapter or otherwise by law.