(6) The determination of the appropriate adjustment of a legal regulated rent shall take into consideration all factors bearing on the equities involved, subject to the general limitation that the adjustment can be put into effect without dislocation and hardship inconsistent with the purposes of the RSL, and including as a factor a return of the actual cost to the owner, exclusive of interest or other carrying charges, and the increase in the rental value of the housing accommodations.
(7) An owner may apply for the DHCR's advisory prior opinion pursuant to section 2527.11 of this Title, as to whether the proposed work qualifies for an increase in the legal regulated rent.