4(1)For an election in a constituency in England and Wales the writ shall (notwithstanding anything in rule 3 above) be conveyed to the acting returning officer if the returning officer—U.K.
(a)has so requested by notice in the form prescribed by an Order in Council under rule 3 and received by the Clerk of the Crown one month or more before the issue of the writ; and
(b)has not revoked it by a further notice in the form so prescribed and received within such time as is mentioned above.
(2)A notice under this rule has effect in relation to all constituencies—
(a)of which the person giving it is returning officer at the time of giving it; or
(b)of which he or a successor in office becomes returning officer by virtue of that office.
(3)Where by virtue of this rule writs are conveyed to the acting returning officer paragraph (5) of rule 3 applies in relation to him as it applies in relation to a returning officer.