N.Y. Comp. Codes R. & Regs. tit. 9 § 2500.6
Such amendment or revocation shall be filed with the Secretary of State and shall take effect upon the date of filing unless otherwise specified therein or as otherwise provided by the State Administrative Procedure Act, or otherwise required by law. Where implementation of a provision would require new or significantly revised filing procedures or notice requirements, the division may postpone implementation of such provision, as required, for up to 180 days after the effective date of such amendment or revocation, by an advisory opinion issued pursuant to section 2507.11 of this Title, which shall be available to the public on such effective date. Where such postponement is deemed necessary, current filing procedures, notice requirements, or forms, if any, may be utilized until revision thereof.
N.Y. Comp. Codes R. & Regs. Tit. 9 § 2500.6