N.Y. Comp. Codes R. & Regs. tit. 4 § 213.3
Within seven working days after receipt of exceptions, any party may file in the same manner as the exceptions were filed, a response thereto, or cross exceptions and a brief in support thereof, together with proof of service of copies of these documents upon each party to the proceeding. Within seven working days after receipt of cross exceptions, any party may file in the same manner as the cross-exceptions were filed a response thereto, together with proof of service of a copy thereof upon each party. No pleading other than exceptions, cross-exceptions or a response thereto and no brief other than that filed in support of such pleading will be accepted or considered by the board unless it is requested by the board or filed with the board's authorization. If any additional pleading or brief is requested or authorized by the board, the board shall notify the parties regarding the conditions under which that pleading will be permitted.
N.Y. Comp. Codes R. & Regs. Tit. 4 § 213.3