13.—(1) Civil proceedings against the Crown may be instituted under Order 39, rule 15; in any case in which the Crown is alleged to have an interest or estate in the honour, title, dignity or office or property in question.
(2) For the avoidance of doubt it is hereby declared that any powers exercisable by the Court in regard to the taking of evidence are exercisable in proceedings by or against the Crown as they are exercisable in proceedings between subjects.