N.Y. Comp. Codes R. & Regs. tit. 22, § 600.9
(1) Digital copies of the records, appendices and briefs filed pursuant to section 1250.9(a), (c) and (d) of this Title shall comply with the technical specifications for electronically filed documents set forth in Attachment A to Electronic Rules of the Appellate Division (Part 1245 of this Title) and shall be filed and served by e-mail. E-mails to the court shall be directed as follows:
(a) Filing and service of digital copies of record, appendices and briefs.