Apr 25, 2024: §27-2005 (e) hmc: provide written notice to the tenants at least twenty-four hours prior to essential service interruption by posting a notice in a prominent place within the public part of the building and on each floor of such building, where an owner must make a repair that may result in an interruption of essential services such as utilities(heat, hot water, gas, electricity, or elevator) that is expected to continue for more than two hours. sample notice available at www.nyc.gov/hpd or as provided in this notice of violation. elevator not in service