New York Consolidated Laws, Tax Law - TAX § 807. Enforcement with other taxes

(a) Joint assessment.  If there is assessed a tax under this article and there is also assessed a tax against the same taxpayer pursuant to article twenty-two of this chapter or under a local law enacted pursuant to the authority of article thirty, article thirty-A, or article thirty-B of this chapter, and payment of a single amount is required under the provisions of this article, such payment shall be deemed to have been made with respect to the taxes so assessed in proportion to the amounts of such taxes due, including tax, penalties, interested and additions to tax.

(b) Joint action.  If the commissioner takes action under such article twenty-two or under a local law enacted pursuant to the authority of article thirty, thirty-A, or thirty-B of this chapter with respect to the enforcement and collection of the tax or taxes assessed under such articles, the commissioner shall, whenever possible and necessary, accompany such action with a similar action under similar enforcement and collection provisions of the tax imposed by this article.

(c) Apportionment of moneys collected by joint action.  Any moneys collected as a result of such joint action shall be deemed to have been collected in proportion to the amounts due, including tax, penalties, interest and additions to tax, under article twenty-two of this chapter or under a local law enacted pursuant to the authority of article thirty, thirty-A, or thirty-B of this chapter and the tax imposed by this article.

(d) Joint deficiency action.  Whenever the commissioner takes any action with respect to a deficiency of income tax under article twenty-two of this chapter or under a local law enacted pursuant to the authority of article thirty, thirty-A, or thirty-B of this chapter, other than the action set forth in subsection (a) of this section, the commissioner may in his or her discretion accompany such action with a similar action under this article.