(c) where the premises is subject to regulation pursuant to the local
emergency housing rent control law, the emergency tenant protection act
of nineteen seventy-four, the rent stabilization law of nineteen hundred
sixty-nine or the city rent and rehabilitation law, 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.