N.Y. Civil Practice Law & Rules § 213-a: Residential rent overcharge

§ 213-a. Residential rent overcharge. No overcharge penalties or

damages may be awarded for a period more than six years before the

action is commenced or complaint is filed, however, an overcharge claim

may be filed at any time, and the calculation and determination of the

legal rent and the amount of the overcharge shall be made in accordance

with the provisions of law governing the determination and calculation

of overcharges.