16. A notice under paragraph 15—
(a)must be in writing;
(b)must describe the extent of the demarcated zone;
(c)must specify in relation to each measure whether it applies generally or to an area of surface water in the demarcated zone;
(d)must specify the date on which each measure takes effect;
(e)must be published in a manner appropriate to bring it to the attention of the public; and
(f)may be amended, suspended or revoked, in whole or in part, by further notice.