N.Y. Gen. Bus. Law § 391-g

§ 391-g. Rental of motor vehicles; discrimination on the basis of age\nprohibited. 1. It shall be unlawful for any person, firm, partnership,\nassociation or corporation engaged in the business of renting motor\nvehicles to refuse to rent such vehicle to any person eighteen years of\nage or older solely on the basis of age provided that insurance coverage\nfor persons of such age is available. Any actual extra cost for\ninsurance related to the age of the person renting such motor vehicle\nmay be passed on to such person.\n 2. A knowing violation of this section shall be punishable by a fine\nnot to exceed five hundred dollars.\n