STATE GOLD MINING CORPORATION v. SISSALA Practice and procedure—Appeal—Interlocutory order—Appeal lodged prior to the coming into force of N.L.C D. 406 and the Constitution, 1969—Whether N.L.C.D. 277 was the only legislation relevant to the appeal—Courts (Amendment) Decree, 1968 (N.L.C.D. 277), para.  1 (a)—Constitution, 1969, art. 110—Constitution (Consequential and Transitional Provisions) Decree, 1969 (N.L.CD. 406).