N.Y. Comp. Codes R. & Regs. tit. 22, § 1000.9
(2) Hard copies of records and appendices in matters perfected upon the original record. The hard copy filing requirement in section 1245.6(a) of this Title with respect to records and appendices in matters perfected upon the original record shall be satisfied by the filing of a hard copy of the complete record, consistent with section 1250.9(a)(4)(ii) of this Title.
(d) Digital copies.
In matters not subject to electronic filing, 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 (Attachment A to Part 1245 of this Title) and shall be filed and served as directed by the clerk of the court.
(e) Service of original record in matters not subject to e-filing.
When perfecting on the original record pursuant to section 1250.9(a)(4) of this Title, an appellant shall file a hard copy of the complete record, together with proof of service of one hard copy of the record upon each other party to the appeal.
(a) Extension of time to perfect.
An extension of time to perfect an appeal may be obtained, pursuant to section 1250.9(b) of this Title, by a letter application, stipulation or motion. A stipulation to extend the time to perfect an appeal pursuant to section 1250.9(b) of this Title shall be filed on or before the date by which the appeal is required to be perfected. A motion for an extension of time to perfect an appeal pursuant to section 1250.9(b) of this Title shall be supported by an affidavit demonstrating with particularity a reasonable excuse for the delay and an intent to perfect the appeal within a reasonable time.
(b) Extension of time to file brief.
An extension of time to file and serve a responsive brief may be obtained, pursuant to section 1250.9(g) of this Title, by a letter application, stipulation or motion. A stipulation to extend the time to file and serve a responsive brief pursuant to section 1250.9(g)(1) of this Title shall be filed on or before the date by which the brief was originally required to be filed. In no case shall the parties stipulate to, an extension of time to file and serve a responsive brief that would permit the filing and service of the brief within 30 days of the date upon which the matter is scheduled to be heard. A motion for an extension of time to file and serve a responsive brief pursuant to section 1250.9(g)(2) of this Title shall be supported by an affidavit demonstrating with particularity a reasonable excuse for the delay and an intent to file and serve the brief within a reasonable time.
(c) Hard copies of records and appendices.