N.Y. LAB Law § 917

§ 917. Continuing obligations. 1. Collective bargaining agreements\nexempted. A professional employer agreement shall have no effect on\nexisting collective bargaining agreements. Notwithstanding any\nstatements to the contrary, nothing in this article shall alter the\nrights or obligations of any client, professional employer organization\nor worksite employee under the national labor relations act or any\napplicable state law.\n 2. State licensing provisions not exempted. This article shall not\nexempt a client or a worksite employee from any state, local or federal\nlicensing, registration or certification requirement.\n (a) Every individual who is required to be licensed, registered or\ncertified according to law and who is a worksite employee shall be\ndeemed an employee of the client for purposes of any license,\nregistration or certification requirement.\n (b) A professional employer organization shall not be deemed to be\nengaged in an occupation, trade or profession that is subject to\nlicensing, registration or certification requirements, or is otherwise\nregulated by a governmental entity solely by entering into a\nprofessional employer agreement with a client or an employment\nrelationship with worksite employees.\n