Absent express permission in advance, sur-reply papers, including correspondence, addressing the merits of a motion are not permitted, except that counsel may inform the court by letter of the citation of any post-submission court decision that is relevant to the pending issues, but there shall be no additional argument. Materials submitted in violation hereof will not be read or considered. Opposing counsel who receives a copy of materials submitted in violation of this rule shall not respond in kind.
N.Y. Comp. Codes R. & Regs. Tit. 22 r. 202.70.18