9(1)The responsible authority may cancel a designation by giving notice to that effect to the owner.E+W
(2)The authority may give notice under sub-paragraph (1)—
(a)on the application of the owner, or
(b)if it otherwise thinks cancellation appropriate.
(3)The notice must specify—
(a)the designated structure or feature,
(b)the date on which the cancellation takes effect, and
(c)the reasons for the cancellation.