New York Codes, Rules and Regulations
Title 2 - DEPARTMENT OF AUDIT AND CONTROL
Chapter I - Audit Of Revenues And Accounts Payable From State Funds And Funds Under Its Control
Part 6 - Payments Of Vendor Claims And Statutory Expenditures
Section 6.1 - Standard forms for claims

All claims against the State for the delivery of materials, supplies and equipment, for the rendition of services by nonemployees, or for sums due under construction contracts, employee reimbursements, or petty cash reimbursements must be rendered in a format approved by the Comptroller or on a vendor invoice used in the normal course of the vendor's business. Claimants may elect to submit claims in either an electronic format, which may include a data transmittal, an image or other approved format; or a paper format.