(1)  A writ commencing a probate action –

(a) may be issued out of any registry; and

(b) is to be endorsed with a statement of the nature of the plaintiff's and defendant's interests in the estate of the deceased to which the action relates.

(2)  A writ commencing an action for the revocation of a grant of probate or letters of administration of the estate is not to be filed unless –

(a) a citation under rule 730(1)(b) has been issued; or

(b) the probate has been, or letters of administration have been, lodged in a registry.