Paragraph 3
Registration of a rent, or of a different rent, for the dwelling-house shall be effected in pursuance of section 87 of the 1977 Act; but until such time as a rent is so registered—
(a)
the rent recoverable under the tenancy; and
(b)
where a rent was registered for the dwelling-house under Part IV of the 1977 Act, the time at which an application for a different registered rent may be made;
shall be determined as if the tenancy had continued to be a regulated tenancy.