N.Y.C. Charter § 299: Section 299. [Redemption from sinking funds established prior to July first, nineteen hundred eighty-one.]

The comptroller shall determine whether sinking fund bonds issued on or after July first, nineteen hundred eighty-one shall be redeemable from any of the several sinking funds of the city established prior to July first nineteen hundred eighty-one, the general sinking fund or any of the additional sinking funds established pursuant to section two hundred ninety-eight.