a. A good faith complaint, by or in behalf of the tenant, to the
landlord, the landlord's agent or a governmental authority of the
landlord's alleged violation of any health or safety law, regulation,
code, or ordinance, the warranty of habitability under section two
hundred thirty-five-b of this article, the duty to repair under sections
seventy-eight, seventy-nine, and eighty of the multiple dwelling law or
section one hundred seventy-four of the multiple residence law, or any
law or regulation which has as its objective the regulation of premises
used for dwelling purposes or which pertains to the offense of rent
gouging in the third, second or first degree; or