4. In Part 6—
(a)in rule 6.2(1), sub-paragraph (b), after “first class post” insert “(or an alternative service which provides for delivery on the next working day)”;
(b)in rule 6.5(4), sub-paragraph (a), after “first class post” insert “(or an alternative service which provides for delivery on the next working day)”; and
(c)in the table following rule 6.7(1), after “first class post” insert “(or an alternative service which provides for delivery on the next working day)”.