If the landlord shall have corrected such violations after the order reducing the rent and if the rent had been reduced solely because of such violations, the landlord may petition the commission for the reinstatement of the original rent and for the payment to him of the rent held in the escrow account.
d.
If the landlord shall have corrected such violations after the order reducing the rent, but the rent had not been reduced solely because of such violations, the landlord may petition the commission for an order fixing a fair and equitable rent for such housing accommodation in light of its condition at the time of the landlord's petition and for the payment to him of the rent held in the escrow account.
e.
In any case arising under this subsection, upon reasonable determination of the commission, the original rent or such fair and equitable rent as determined by the commission may be ordered into effect retroactive, at the discretion of the commission, to the date of the petition for reinstatement. No such reinstatement shall be effective until after a hearing is held by the commission in accordance with the provisions of subsection (3) of this section if either the tenant or landlord requests such a hearing.
(10)
To establish an escrow account with a local bank or financial institution into which it shall deposit all rents or other funds paid to it pursuant to subsection (9) of this section. Such funds shall be released to the landlord if he shall be successful in an appeal to the court or if the commission shall order such release after a petition is filed in accordance with subsection (9) of this section.
(11)