N.Y. Pub. Auth. Law § 357-B
A shared services agreement may be executed between the authority and the department only for an emergency situation or extreme weather conditions, to share employees, services or resources as deemed appropriate including, but not limited to, for the performance of work and activities by the department on the facilities and property under the jurisdiction of the authority, and for the performance of work and activities by the authority on the facilities and property under the jurisdiction of the department. Such agreement or any project undertaken pursuant to such agreement shall not be deemed to impair the rights of bondholders and may provide for, but not be limited to, the management, supervision and direction of such employees' performance of such services. Such agreement shall provide that the term shall not be longer than ten days. All shared employees shall remain employees of their respective employers and all applicable collectively bargained agreements shall remain in effect for the entire length of the shared service agreement. Further, such shared services agreement shall not amend, repeal or replace the terms of any agreement that is collectively negotiated between an employer and an employee organization, including an agreement or interest arbitration award made pursuant to article fourteen of the civil service law.
N.Y. Pub. Auth. Law § 357-B