15.—(1) Where any representations are made under regulation 13 but the charging authority concerned do not accept that a ground has been established, the notice served under regulation 13(6) (“the notice of rejection”) must—
(a)state that a charge certificate may be served under regulation 17 unless before the end of the period of 28 days beginning with the date of service of the notice of rejection—
(i)the penalty charge is paid; or
(ii)the person on whom the notice is served appeals to an adjudicator against the penalty charge;
(b)indicate the nature of an adjudicator’s power to award costs against any person appealing to him; and
(c)describe in general terms the form and manner in which an appeal to an adjudicator must be made.
(2) A notice of rejection may contain such other information as the charging authority consider appropriate.