N.Y. General City Law 25-A – Authorization to impose tax
§ 25-a. Authorization to impose tax.– In addition to any other taxes, now authorized by law, any city having a population of one million or more is hereby authorized and empowered to adopt and amend local laws imposing a tax on the personal income of residents of such city to be administered in the manner provided for in this article by the administrator as defined in § 1 of the model local law hereinafter set forth.
The tax authorized by this article may be imposed only if the general city law authorizes the adoption of a city tax on the earnings of nonresidents and the city imposing the tax herein authorized also imposes such tax on the earnings of nonresidents. The rates of such tax shall be the rates contained in either section three or three-A of the model local law and such rates may be reduced and increased, provided that the rates shall not be fixed higher than those contained in section three-A of such model local law.
The terms of such local law shall be substantially the same as the following model local law except that:
(a) Any such local law may include a provision for the specific credit for individuals described in section twenty-five-b of this chapter effective for any taxable year commencing on or after July first, nineteen hundred sixty-seven;
(b) Any such local law may be amended to conform it with similar provisions of Article 22 of the tax law except insofar as it relates to nonresidents as presently in effect or as it may be amended; and
(c) The appendix in such local law may be amended for the purpose of conforming it with the United States internal revenue code or other federal laws relating to taxation as presently in effect or as they may be amended.