* § 208-d. Extra work by members of a police force in cities. Notwithstanding the provisions of any general, special or local law or any rule or regulation of any police department or commissioner or head thereof, any member of a police force of a city may engage in extra work for another employer outside his regular hours of duty for not exceeding twenty hours a week provided that such extra work does not interfere or conflict with his regular duties as a member of the force or his availability for emergency duty nor affect his physical condition to the extent that it impairs his ability to efficiently perform such duties and further provided that the type of employment shall first be approved by the appropriate police department or police commissioner.

* NB There are 3 § 208-d's