N.Y. Soc. Serv. Law § 135

§ 135. Cooperation of public welfare officials. 1. It shall be the\nduty of every public welfare official to render assistance and cooperate\nwithin his jurisdictional powers with every other public welfare\nofficial and with the family court and all other governmental agencies\nconcerned with the health and welfare of persons under their\njurisdiction.\n 2. Every public welfare official shall also cooperate whenever\npossible with any private agency whose object is the relief and care of\npersons in need or the improvement of social conditions in order that\nthere may be no duplication of relief and that the work of agencies both\npublic and private may be united in an effort to relieve distress and\nprevent dependency.\n