Paragraph

A notice is appropriate for this Case if—

(i)
it is in writing and states that proceedings for possession under this Case may be brought after its expiry; and
(ii)
it expires not earlier than 3 months after it is served nor, if, when it is served, the tenancy is a periodic tenancy, before that periodic tenancy could be brought to an end by a notice to quit served by the landlord on the same day;
(iii)
it is served—

(a)
in the period of 3 months immediately preceding the date on which protected shorthold tenancy comes to an end; or
(b)
if that date has passed, in the period of 3 months immediately preceding any anniversary of that date; and
1. (iv)
  in a case where a previous notice has been served by the landlord on the tenant in respect of the dwelling-house, and that notice was an appropriate notice, it is served not earlier than 3 months after the expiry of the previous notice.

Notes on Schedule 15

C1: Sch. 15 applied (with modifications) (31.12.2020) by The Citizens' Rights (Application Deadline and Temporary Protection) (EU Exit) Regulations 2020 (S.I. 2020/1209), regs. 1(1), 3(4), 4(5), 12(1)(d)