APPIAH v. OKYIR AND ANOTHER Customary law—Arbitration—Enforcement of award—Writ of summons or originating summons—Appropriate procedure for enforcement where there is no written agreement—Burden of proof—Supreme [High] Court (Civil Procedure) Rules, 1954, Order 54A, r. 1—Arbitration Act, 1961 (Act 38), s. 29.