N.Y. Comp. Codes R. & Regs. tit. 20, § 561.16
(a) Kerosene, propane and fuel oil which are used for residential or other heating purposes are not deemed to be motor fuel for purposes of this Part. The prepaid tax is not required to be paid on such fuels by distributors.
(b)
Tax Law, § 1101(b)(4)(ii)