N.Y. Soc. Serv. Law § 33

§ 33. Contracts for supplies and commodities needed in the\nadministration of assistance. The department may\n (a) make agreements for supplies and commodities needed in the\nadministration of assistance and care, under which local welfare units\nmay, subject to the approval of the department, purchase such supplies\nand commodities; and\n (b) in accordance with requisitions duly approved by the commissioner\nof general services, purchase as the agent of local welfare units and on\ntheir request, supplies or commodities needed in the administration of\nassistance and care and make payments therefor after making proper\ndeductions from state reimbursements due the local units which avail\nthemselves of the provisions of this subdivision.\n