5.—(1) Decrees in the nature of an injunction and all decrees within the competence of the court which, if they were made in an action or matter in the High Court could in that court be enforced by committal may in accordance with this Order be enforced, by order of the judge, by committal.
(2) Any such decree which requires any person to do an act thereby ordered shall state the time, or the time after service of the decree, within which the act is to be done.