Sch 19C para 22
(1) The Commission may not serve on a person a notice under paragraph 2(1) (notice of proposed fixed monetary penalty) in relation to any act or omission in relation to which— (a) a discretionary requirement has been imposed on that person, or (b) a stop notice has been served on that person. (2) The Commission may not serve on a person a notice under paragraph 6(1) (notice of proposed discretionary requirement), or serve a stop notice on a person, in relation to any act or omission in relation to which— (a) a fixed monetary penalty has been imposed on that person, or (b) the person's liability for a fixed monetary penalty has been discharged as mentioned in paragraph 2(2).