5.—(1) If the enforcement authority decides to require a person to pay a penalty under these Regulations, the enforcement authority must give the person a penalty notice.
(2) A penalty notice must—
(a)be in writing;
(b)state the enforcement authority’s reasons for deciding to require the person to pay a penalty;
(c)state the amount of the penalty;
(d)specify the date on which it is given;
(e)specify the date, at least 28 days after the date specified in the notice as the date on which it is given, before which the penalty must be paid;
(f)specify how a penalty must be paid;
(g)include an explanation of the steps that the person may take if the person objects to the penalty (including specifying the manner and form in which any notice of objection must be given to the enforcement authority); and
(h)include an explanation of the steps the enforcement authority may take to recover any unpaid penalty.