Article 5 Substituted service
(1)
Where, in any case not falling within rule 3(3)—
(a)
a notice or other document is required under these Rules to be served by the person to whom the proceedings relate on a person other than the commanding officer; and
(b)
the person to whom the proceedings relate is in air-force custody,
the requirement shall be satisfied by serving the notice or other document on the commanding officer together with a written request that he serve it on the person on whom under these Rules the document is required to be served.
(2)
Where a notice or other document is served on the commanding officer in accordance with paragraph (1), he shall serve that document on the person specified in the written request.