New York Consolidated Laws, Multiple Dwelling Law - MDW § 10. Time for compliance

All alterations required by this chapter upon dwellings erected before its adoption by or application to any city, town or village, in whole or in part, shall, unless specifically provided otherwise in this chapter, be made not later than five years after such adoption or application, or at such earlier date as may be deemed necessary by the department in order to remove a condition dangerous or detrimental to life or health.