50. Counterclaim

(1) A defendant may make a counterclaim against a claimant by filing a counterclaim without the Court's permission if he files it at the same time as his defence, or at any other time with the Court's permission.
(2) Particulars of the defendant's claim must be contained in the counterclaim.
(3) A defendant who wishes to counterclaim against a person other than the claimant must apply to the Court for an order that that person be added as an additional party.