Republic of Namibia 13 Annotated Statutes Posts and Telecommunications Companies Establishment Act 17 of 1992 Amendment Act, 1975 Act 113 of 1976 Post Office Amendment Act, 1976 The repeal of the whole. Act 1 of 1978 Post Office Amendment Act, 1978 The repeal of the whole. Proclamation AG. 35 of 1979 Exchequer and Audit Amendment Proclamation, 1979 The repeal of sections 16 - 24, 26, 28 - 31, 37 and 38. Act 5 of 1992 Sales Tax Act, 1992 The amendment of section 41 by the substitution for the expression “Postmaster-General”, wherever it occurs, of the expression “postal company”. [The Sales Tax Act 5 of 1992 has been replaced by the Value-Added Tax Act 10 of 2000.]