6.3.—(1) Subject to rule 6.5 (service on persons outwith Scotland), a copy summons may be served on the defender–
(a)by the pursuer’s solicitor, a sheriff officer or the sheriff clerk sending it by first class recorded delivery post; or
(b)in accordance with rule 6.4 (service within Scotland by sheriff officer).
(2) On the face of the envelope used for postal service in terms of this rule, there must be printed or written a notice in Form 7.
(3) The certificate of execution of service in the case of postal service must have annexed to it any relevant postal receipt.
(4) If the pursuer requires the sheriff clerk to effect service on his behalf by virtue of section 36A of the 1971 Act (pursuer not being a partnership, body corporate or acting in a representative capacity)(1) under paragraph (1), he may require the sheriff clerk to supply him with a copy of the summons.
Section 36A was inserted by the Law Reform (Miscellaneous Provisions) (Scotland) Act 1985 (c. 73), section 18.