This section applies to—
For the purpose of securing an increase in the rent under a tenancy to which this section applies, the landlord may serve on the tenant a notice in the prescribed form proposing a new rent to take effect at the beginning of a new period of the tenancy specified in the notice, being a period beginning not earlier than—
The minimum period referred to in subsection (2) above is—
The appropriate date referred to in subsection (2)(c)(ii) above is—
This subsection applies where—
Where a notice is served under subsection (2) above, a new rent specified in the notice shall take effect as mentioned in the notice unless, before the beginning of the new period specified in the notice,—
Nothing in this section (or in section 14 below) affects the right of the landlord and the tenant under an assured tenancy to vary by agreement any term of the tenancy (including a term relating to rent).