Except for communications providing the information required by section 500.6 of this Part or those specifically requested by the court, post-briefing, post-submission and post-argument written communications to the court are not favored, and shall be returned to the sender unless accepted by the clerk of the court following a written request with a copy of the proposed submission and proof of timely service of one copy on each other party.
N.Y. Comp. Codes R. & Regs. Tit. 22 § 500.7