A landlord under a long lease of a dwelling may not serve a notice under section 146(1) of the Law of Property Act 1925 (c. 20) (restriction on forfeiture) in respect of a breach by a tenant of a covenant or condition in the lease unless subsection (2) is satisfied.
This subsection is satisfied if—
But a notice may not be served by virtue of subsection (2)(a) or (c) until after the end of the period of 14 days beginning with the day after that on which the final determination is made.
A landlord under a long lease of a dwelling may make an application to the appropriate tribunal for a determination that a breach of a covenant or condition in the lease has occurred.
But a landlord may not make an application under subsection (4) in respect of a matter which—
For the purposes of subsection (4), "appropriate tribunal" means—