Where a secure tenant has claimed to exercise the right to buy, he may serve on his landlord a notice (in this section referred to as an "initial notice of delay") in any of the following cases, namely,—
and where an initial notice of delay specifies either of the cases in paragraphs (a) and (b), any reference in this section or section 153B to the default date is a reference to the end of the period referred to in the paragraph in question or, if it is later, the day appointed for the coming into force of section 124 of the Housing Act 1988.
An initial notice of delay—
Within the response period specified in an initial notice of delay or at any time thereafter, the landlord may serve on the tenant a counter notice in either of the following circumstances—
A counter notice under subsection (3) shall specify the circumstances by virtue of which it is served.
At any time when—
the tenant may serve on the landlord a notice (in this section and section 153B referred to as an "operative notice of delay") which shall state that section 153B will apply to payments of rent made by the tenant on or after the default date or, if the initial notice of delay specified the case in subsection (1)(e), the date of the service of the notice.
If, after a tenant has served an initial notice of delay, a counter notice has been served under subsection (3), then, whether or not the tenant has also served an operative notice of delay, if any of the cases in subsection (1) again arises, the tenant may serve a further initial notice of delay and the provisions of this section shall apply again accordingly.