(1) A direction given under article 63 must state the reasons why it has been given to the class of persons specified in the direction.
(2) The date specified in the direction under article 63(2) must be such as to allow a reasonable time for compliance, and in any event must fall after the end of three months beginning with the date when the direction is given.
(3) If the Authority gives a direction under article 63, it must as soon as practicable, and in any event not later than the due date, give a copy to each person falling within the class specified in the direction.
(4) "The due date" means the date three months before the date specified in the direction.
(5) If there is a person falling within that class to whom the Authority fails to give a copy by the due date, the direction does not apply to him (and therefore article 63(4) does not apply to him) but if the Authority gives him a copy of the direction after the due date, the direction has effect in relation to him as if the d
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