New York Consolidated Laws, Real Property Law - RPP § 235-b. Warranty of habitability

(a) need not require any expert testimony;  and

(b) shall, to the extent the warranty is breached or cannot be cured by reason of a strike or other labor dispute which is not caused primarily by the individual landlord or lessor and such damages are attributable to such strike, exclude recovery to such extent, except to the extent of the net savings, if any, to the landlord or lessor by reason of such strike or labor dispute allocable to the tenant's premises, provided, however, that the landlord or lesser   2 has made a good faith attempt, where practicable, to cure the breach.

(c) where the premises is subject to regulation pursuant to the local emergency housing rent control law,   3 the emergency tenant protection act of nineteen seventy-four,   4 the rent stabilization law of nineteen hundred sixty-nine   5 or the city rent and rehabilitation law,   6 reduce the amount awarded hereunder by the total amount of any rent reduction ordered by the state division of housing and community renewal pursuant to such laws or act, awarded to the tenant, from the effective date of such rent reduction order, that relates to one or more matters for which relief is awarded hereunder.