N.Y. Comp. Codes R. & Regs. tit. 9 § 2523.3
No owner shall be entitled to collect a rent adjustment pursuant to a rent guidelines board order as authorized under section 2522.5 of this Title, until the owner has filed a proper certification as required by section 2523.2 of this Part, nor shall any owner be entitled to a rent restoration based upon a restoration of services unless such restoration of services has been determined by the DHCR in a proceeding commenced by an owner's application to restore rent or a proceeding commenced pursuant to section 2526.2 of this Title, or in another proceeding pursuant to this Code. Such restoration shall take effect, where restoration of services has been determined in a proceeding commenced by an owner's application for rent restoration, in accordance with section 2522.2 of this Title and, where restoration of services has been determined by the DHCR in a proceeding commenced pursuant to section 2526.2 of this Title, or in another proceeding pursuant to this Code, on the date specified in the order of the DHCR issued in such proceeding.
N.Y. Comp. Codes R. & Regs. Tit. 9 § 2523.3