(2) The ground stated in subparagraph (G) of subdivision (1) of this subsection is not available to the owner of a dwelling unit in a common interest community occupied by a conversion tenant.
(3) A tenant may not be dispossessed for a reason described in subparagraph (B), (F) or (G) of subdivision (1) of this subsection during the term of any existing rental agreement.
(c) (1) The rent of a tenant protected by this section may be increased only to the extent that such increase is fair and equitable, based on the criteria set forth in section 7-148c.
(2) Any such tenant aggrieved by a rent increase or proposed rent increase may file a complaint with the fair rent commission, if any, for the town, city or borough where his dwelling unit or mobile manufactured home park lot is located; or, if no such fair rent commission exists, may bring an action in the Superior Court to contest the increase. In any such court proceeding, the court shall determine whether the rent increase is fair and equitable, based on the criteria set forth in section 7-148c.
(d) A landlord, to determine whether a tenant is a protected tenant, as described in subdivision (1) of subsection (a) of this section, may request proof of such protected status. On such request, any tenant claiming protection shall provide proof of the protected status within thirty days. The proof shall include a statement of a physician or an advanced practice registered nurse in the case of alleged blindness or other physical disability.