Updated to 23 October 2025 (Act No. 10 of 2025 and S.I. No. 506 of 2025)
Warning: Only amendments made since 1 January 1972 are completely recorded.
| SI Year and Number 1940 | Title | How Affected | Affecting Provision |
| 51 | Telegraph (Foreign Written Telegram) (Amendment) (No. 2) Regulations 1940 | Not affected |