(q) housing accommodations which would otherwise be subject to rent regulation solely by reason of the provisions of article 7-C of the MDL requiring rent regulation, but which are exempted from such provisions pursuant to section 286(6) and 286(12) of the MDL;
(r) housing accommodations which:
(1) became vacant on or after July 7, 1993 but before April 1, 1994 where, at any time between July 7, 1993 and October 1, 1993, inclusive, the legal regulated rent was $2,000 or more per month;
(2) became vacant on or after April 1, 1994 but before April 1, 1997, with a legal regulated rent of $2,000 or more per month;
(3) became vacant on or after April 1, 1997 but before June 19, 1997, where the legal regulated rent at the time the tenant vacated was $2,000 or more per month; or
(4) became or become vacant on or after June 19, 1997 but before June 24, 2011, with a legal regulated rent of $2,000 or more per month;
(5) became or become vacant on or after June 24, 2011, with a legal regulated rent of $2,500 or more per month;
(6) exemption pursuant to this subdivision shall apply regardless of whether the next tenant in occupancy or any subsequent tenant in occupancy is charged or pays less than the applicable amount qualifying for deregulation as provided in this subdivision.
(7) exemption pursuant to this subdivision shall not apply to housing accommodations which became or become subject to the RSL and this Code:
(i) solely by virtue of the receipt of tax benefits pursuant to section 421-a of the Real Property Tax Law, except as otherwise provided in subparagraph (i) of paragraph (f) of subdivision two of such section 421-a, section 11-243 (formerly J51-2.5) or section 11-244 (formerly J51-5) of the Administrative Code of the City of New York, as amended; or