N.Y. Comp. Codes R. & Regs. tit. 21, § 2700.2
(b) The records access officer is responsible for insuring appropriate broad 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. The records access officer shall assure that personnel:
(3) Upon locating the records, take one of the following actions in accordance with section 2700.6 of this Part:
(4) Upon request for copies of records:
(6) Upon failure to locate records, certify that: