N.Y. Comp. Codes R. & Regs. tit. 21, § 803.2
(b) Records access officers are responsible for insuring appropriate agency response to public requests for access to records. However, the public shall not be denied access to records through officials who have in the past been authorized to make records or information available. Records access officers shall assure that personnel:
(3) Upon locating the records, take one of the following actions in accordance with section 803.6 (b) of this Part:
(4) Upon request for copies of records:
(6) Upon failure to locate records, certify that: