Where either of the following provisions (which relate to continuation tenancies) applies to a tenancy, namely—
as the case may be.
Subject to subsection (1), where under section 7(3) a tenancy created or arising as a tenancy from year to year or other periodical tenancy is to be treated as a long lease, then for the relevant purposes of this Part, the term date of that tenancy shall be taken to be the date (if any) on which the tenancy is to terminate by virtue of a notice to quit given by the landlord under the tenancy before the relevant date for those purposes, or else the earliest date on which it could as at that date (in accordance with its terms and apart from any enactment) be brought to an end by such a notice to quit.
Subject to subsection (1), in the case of a tenancy granted to continue as a periodical tenancy after the expiry of a term of years certain, or to continue as a periodical tenancy if not terminated at the expiry of such a term, any question whether the tenancy is at any time to be treated for the relevant purposes of this Part as a long lease, and (if so) with what term date, shall be determined as it would be if there had been two tenancies, as follows—
In this section "the relevant purposes of this Part" means the purposes of Chapter I or, to the extent that section 7 has effect for the purposes of Chapter II in accordance with section 39(3), the purposes of that Chapter.