2.—(1) A notice issued under paragraph 6(3)(b) (notices given otherwise than on application by owner) of Schedule 1 to the Flood and Water Management Act 2010 must specify the date on which it is proposed the notice shall have effect, which, subject to paragraph (2), must be a date not less than 28 days after the date on which the notice is issued.
(2) The date required to be specified under paragraph (1) may be less than 28 days if the responsible authority considers it necessary in an emergency.