N.Y. Gen. Bus. Law § 342-C
Whenever any civil or criminal proceeding is instituted by the federal government to prevent, restrain, or punish violations of the federal antitrust laws, the running of the period of limitations in respect of every right of action arising under sections three hundred forty, three hundred forty-two and three hundred forty-two-a of this article, based in whole or in part on any matter complained of in the federal proceeding, shall be suspended during the pendency of said proceeding and for one year thereafter; provided, however, that whenever the running of the period of limitations in respect of a right of action arising under sections three hundred forty, three hundred forty-two or three hundred forty-two-a of this article is suspended hereunder, any action to enforce such right of action shall be forever barred unless commenced either within the period of suspension or within the period of limitations otherwise prescribed in this article.
N.Y. Gen. Bus. Law § 342-C