N.Y. Comp. Codes R. & Regs. tit. 18, § 358-6.6
(4) During the pendency of any review of an issued fair hearing decision, the original decision is binding and must be complied with by the social services agency in accordance with the provisions of section 358-6.4 of this Subpart.
(b) Reopened hearings.
On notice to all parties, the OAH may reopen a previously closed fair hearing record for purposes of completing such record. If such reopening occurs subsequent to the issuance of a fair hearing decision, the provisions of paragraph (a)(4) of this section apply.
(a) Corrected decisions.