N.Y. Comp. Codes R. & Regs. tit. 20, § 18-2.4
(a) In computing entire net income, Federal taxable income must be adjusted by subtracting from it:
(b) In computing entire net income, a deduction shall be allowed, to the extent not deductible in determining Federal taxable income, for the following:
(7) with respect to recovery property for which the accelerated cost recovery system deduction is allowed pursuant to section 168 of the Internal Revenue Code, the amount allowable as the depreciation deduction pursuant to section 167 of the Internal Revenue Code as such section would have applied to property placed in service on December 31, 1980, except recovery property:
(10) any amount of money or other property received from the Federal Savings and Loan Insurance Corporation pursuant to section 406(f)(1), (2), (3) or (4) of the Federal National Housing Act, as amended (12 USC 1729[f][1], [2], [3] or [4]), regardless of whether any note or other instrument is issued in exchange therefor;
(11)
(12) 22½ percent of interest income on obligations of New York State, or of any political subdivision thereof, or of the United States, other than obligations held for resale in connection with regular trading activities. The term obligation refers to obligations incurred in the exercise of the borrowing power of New York State or any of its political subdivisions or of the United States. This term does not refer to a guarantee of the debt of a third party. The following are examples of instruments that are not obligations incurred in the exercise of the borrowing power of New York State or any of its political subdivisions or of the United States:
(iv) Government National Mortgage Association mortgage-backed securities.
The Tax Commission will publish on a regular basis a list of obligations which meet the requirements of this paragraph.
(c) In the case of the sale or exchange of depreciable property which was subject to articles 9-B and 9-C of the Tax Law and has a higher adjusted basis for New York State tax purposes than for Federal income tax purposes, a deduction is allowed in computing entire net income for the portion of the gain or loss which equals the difference in the basis, except as provided in paragraphs (1)-(3) of this subdivision:
(3) for the purpose of ascertaining a gain or loss from the sale, exchange or other disposition of:
(e) Definition of fair market price or value for purposes of subdivision (c) of this section:
Tax Law, § 1453