Supreme Court Rules 2000

If, on an application for an order for relief similar to mandamus, it appears that some other person claims that the person to whom it is proposed to direct the order should do some act inconsistent with the act which the prosecutor claims to have done, the Court or a judge, on the application of the person to whom it is proposed to direct the order, may –

order that the other person be substituted for the applicant in all subsequent proceedings up to the issue of a peremptory order for relief similar to mandamus; or make any other order as may be just.