5(1)A notification under paragraph 4—U.K.
(a)may be given in respect of contraventions of more than one requirement to pay an administrative charge, and
(b)if it is given in respect of a continuing contravention, may be given in respect of any period during which the contravention has continued.
(2)If a notification under paragraph 4 has been given to a person in respect of an amount outstanding, OFCOM may give a further notification in respect of the whole or a part of that amount only if—
(a)the subsequent notification is in respect of so much of a period during which that amount was outstanding as falls after a period to which the earlier notification relates, or
(b)the earlier notification has been withdrawn without a penalty having been imposed in respect of the matters notified.