N.Y.C. Admin. Code § 20-749: § 20-749 Definitions.

(a) "Current selling price" means the regular price of a listed service, so that, in the absence of any special offer, the service would be given upon payment of the listed price.

(b) "Service" means a basic service performed by a retail service establishment. It also means any special service not commonly offered by such an establishment which the establishment offers to distinguish itself from its competitors.

(c) "Retail service establishment" shall mean any establishment which provides services to consumers at retail, and shall include but not be limited to the following: tailors, dry cleaners, laundries, barbers and hair salons, nail salons, shoe and luggage repair shops, locksmiths, electrical or electronic appliance or equipment repair shops, reupholstery or furniture repair shops, tax preparers and photographic film development providers.