N.Y. Comp. Codes R. & Regs. tit. 2, § 7.10 – Comptroller's approval of purchase orders.

(a) when ordering under a contract previously approved by the Comptroller;
(b) when ordering merchandise from the central stores and State institution industries; and
(c) when ordering merchandise in an amount less than $1,000, except when the rules and regulations of the Office of General Services require bids and additional papers to be filed with the Comptroller.

All copies of the purchase orders shall be submitted for prior approval of the Comptroller when the amount of the proposed order or orders exceed $1,000, and is not covered by a contract approved by the Comptroller. The Comptroller's copy only of the purchase order is submitted under the following conditions: