Part 6 rules about service apply generally
6.1 The rules in this Part apply to the service of documents, except where—
(a)any other enactment, a rule in another Part, or a practice direction makes a different provision; or
(b)the court orders otherwise.
(Other rules which deal with service include the following—
(a)service out of the jurisdiction—see RSC Order 11;
(b)service on the Crown—see RSC Order 77 r.4 and CCR Order 42 r.7;
(c)service in proceedings for the recovery of land and mortgage possession actions—see RSC Order 10 r.4 and CCR Order 7 rr.15 and15A.)