In the circumstances prescribed by paragraph (2) a notification which has been amended shall be treated as having been given as amended and, subject to regulations F225, 26 and 26A, as having been given on the date prescribed by paragraph (3).

The circumstances prescribed by this paragraph are where the person or persons by whom the notification is given amends or amend the notification in accordance with regulation 22(4).

The date prescribed by this paragraph is the date on which the notification being amended was given to F1a relevant authority at an appropriate office.