N.Y. Comp. Codes R. & Regs. tit. 21, § 453.2
(a) A request for inspection or copying of a public record of the authority shall be made to the secretary of the authority in writing, and shall contain sufficient information to identify the particular record sought, including, if possible, information regarding the date, file designation or other information describing the record sought. Any request shall be made either:
(2) by mailing such request, postage prepaid, to the Secretary, Power Authority of the State of New York, at the aforesaid address.
(b)
(1) Upon receipt of a written request for a record reasonably described, the secretary shall promptly determine whether or not the record requested is required to be made available under the provisions of article 6 of the New York Public Officers Law and will, within five business days of the receipt of such request, either:
(2) If access to records is neither granted nor denied within 10 business days after the date of acknowledgment of receipt of request, the request may be construed as a denial of access that may be appealed.
(c) Trade secrets.
(2) A person acting pursuant to law or regulation who, on or after January 1, 1982, submits any record to the authority may, at the time of submission, request that the authority, in accordance with the provisions of section 89(5) of the New York Public Officers Law, designate such record or any portion thereof as a trade secret and except such information from public disclosure under section 87(d)(2) of such law. Any such request shall identify in writing the record or part thereof alleged to be a trade secret and state reasons why such record or portion thereof should be excepted from public disclosure. Within 15 business days of receipt of a written request for an exception, the authority will either grant or deny such request in writing.
(d)