ABDULAI III AND OTHERS v. THE REPUBLIC Statutes—Repeal—Retrospective operation—Accrued rights—Substantive and procedural—Effect on—Interpretation Act, 1960 (C.A. 4), s. 8 (1) (c)—Courts (Amendment) Law, 1987 (P.N.D.C.L. 191), s. 2 (3) (b).