N.Y. CNT Law § 625

§ 625. County purchasing agent; terms; duties. The board of\nsupervisors shall have power to create the office of county purchasing\nagent, who shall be appointed for the term for which the membership of\nsuch board appointing him was elected. Except as otherwise provided by\nlaw, he shall make all purchases and contracts for supplies for the\nvarious county offices, buildings, institutions and grounds of the\ncounty, and shall let to public advertisement and bid all purchases when\nso required by section one hundred three of the general municipal law.\nHe shall prescribe the form of requisitions, and of receipts for\nsupplies delivered without requisition. No claim shall be audited and\npaid without the requisition or delivery receipt being attached thereto.\nHe shall be the custodian of all vouchers, requisitions, receipts and\nother papers pertaining thereto which shall be open to public\ninspection. He shall upon dates to be fixed by the board and covering\nperiods to be specified by it furnish to the county treasurer and to the\nclerk of the board of supervisors verified statements of all purchases\ntogether with the quantity and price and shall furnish to the board of\nsupervisors such additional statements as the board may direct. He shall\nperform such additional and related duties as may be prescribed by law\nand directed by the board of supervisors.\n