KWAPONG AND OTHERS v GHANA COCOA MARKETING BOARD AND OTHERS AMOH v GHANA COCOA MARKETING BOARD AND OTHERS (CONSOLIDATED) Statutes—Construction—Constitution, 1979, arts 154 (1) and 155-Public service—Security of tenure—Composition of public service-Protection not covering public corporations established as commercial ventures—CMB established as public corporation—Officers of public corporations members of public service before promulgation of Constitution—Commercial venture undefined by Constitution—Whether public corporations continued in force by transitional provisions retaining old character—Whether plaintiffs who were public servants before promulgation of Constitution retaining their rights—Statutory Corporations Act, 1964 (Act 232), ss 1, 2 and 6—Constitution (Consequential and Transitional Provisions) Decree, 1979 (AFRCD 56), s 8 (2)—Ghana Cocoa Marketing Board Act, 1981 (Act 447)—Constitution, 1979, arts 154 (1), 155, 157 (2), 158 and Sched 1, Part V, s 20—Ghana  Cocoa Marketing Board Instrument, 1970 (LI 660).