N.Y. CNT Law § 408-A

§ 408-a. Advertising for bids; letting of contracts. 1. Every officer,\nboard or agency of the county shall let all contracts for public work\nand all purchase contracts to the lowest responsible bidder after\nadvertisement for bids where so required by section one hundred three of\nthe general municipal law. The board of supervisors may require\ncontracts involving an expenditure of less than the amount specified in\nsuch section to be let in the manner provided therein. The term\n"officer" as used in this section shall mean and include any officer\npaid compensation from county funds.\n * 2. The board of supervisors may, in the case of any purchase\ncontract or any contract for services, other than services subject to\narticle nine of the labor law, of the county to be awarded to the lowest\nresponsible bidder after advertisement for bids, authorize the inclusion\nof a provision whereby purchases may be made or such services may be\nobtained under such contract by any political subdivision or fire\ncompany (as both are defined in section one hundred of the general\nmunicipal law) or district. In such event, the board shall adopt rules\nprescribing the conditions under which, and the manner in which,\npurchases may be made or services may be obtained by such political\nsubdivision, fire company or district.\n * NB Effective until July 31, 2029\n * 2. The board of supervisors may, in the case of any purchase\ncontract or any contract for services, other than services subject to\narticle eight or nine of the labor law, of the county to be awarded to\nthe lowest responsible bidder after advertisement for bids, authorize\nthe inclusion of a provision whereby purchases may be made or such\nservices may be obtained under such contract by any political\nsubdivision or fire company (as both are defined in section one hundred\nof the general municipal law) or district. In such event, the board\nshall adopt rules prescribing the conditions under which, and the manner\nin which, purchases may be made or services may be obtained by such\npolitical subdivision, fire company or district.\n * NB Effective July 31, 2029\n