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 |
| 9 | The Widows' and Orphans' Pensions (Calculation of Means) Regulations 1940 | Revoked | S.I. No. 272 of 1990, regs. 3, 4, schedule B |
| 28 | Public Health (Waterford Shellfish Layings) Regulations 1940 | Revoked | S.I. No. 340 of 1979, regs. 1, 27 |
| S.I. No. 205 of 1950, reg. 4, sch. 1 | |||
| 36 | Merchant Shipping (Fees) Order 1940 | Revoked | S.I. No. 267 of 1954, arts. 1(2), (5) |