N.Y. Comp. Codes R. & Regs. tit. 20, § 112.9
(b) An addition shall be made to Federal adjusted gross income for the amount of the increase in the basis of such stock or indebtedness in accordance with:
(c) A subtraction shall be made to Federal adjusted gross income for the amount of the reduction in basis of such stock or indebtedness in accordance with:
Tax Law, § 612(n)
(a)