(Tax Law, section 213(1))
Any taxpayer that ceases to exercise its franchise or to be subject to the tax imposed by article 9-A must pay the tax, or balance thereof, at the time the report is required to be filed; see section 6-4.2 of this Subchapter.
N.Y. Comp. Codes R. & Regs. Tit. 20 §§ 7-1.3