4. 5. 6. Ordinance 6 of 1952—Official Secrets (Amendment) Ordinance 1952 Date of First Reading : 19 February 1952 Date of Second and Third Readings : 18 March 1952 Date of commencement : 27 March 1952 Ordinance 37 of 1952—Law Revision (Penalties Amendment) Ordinance 1952 Date of First Reading : 16 September 1952 Date of Second and Third Readings : 14 October 1952 Date of commencement : 30 April 1955 Ordinance 72 of 1959—Transfer of Powers (No. 2) Ordinance 1959 (Consequential amendments made to Act by) 7. Date of First Reading : 22 September 1959 Date of Second and Third Readings : 11 November 1959 Date of commencement : 20 November 1959 S (N.S.) 178/59—The Singapore Constitution (Modification of Laws) (No. 4) Order 1959 Date of commencement 8. : S (N.S.) 179/59—The Singapore Constitution (Modification of Laws) (No. 5) Order 1959 Date of commencement 9. 20 November 1959 : 20 November 1959 G.N. No. S 16/66—Modification of Laws (Official Secrets) Order 1966 Date of commencement : 18 January 1966 10. Act 15 of 1967—Official Secrets (Amendment) Act 1967 Date of First Reading : 24 May 1967 (Bill No. 12/67 published on 27 May 1967) Date of Second and Third Readings : 29 June 1967 Date of commencement : 18 August 1967 11. 1970 Revised Edition—Official Secrets Act (Chapter 233) Singapore Statutes Online Current version as at 25 Sep 2018 PDF created date on: 25 Sep 2018