Updated to 16 April 2025 (Act No. 2 of 2025 and S.I. No. 141 of 2025)
Warning: Only amendments made since 1 January 1972 are completely recorded.
| SI Year and Number 1958 | Title | How Affected | Affecting Provision |
| 255 | Sugar (Prohibition of Import) Order 1958 | Not affected | |
| 265 | Maternity and Child Health Services (Amendment) Regulations 1958 | Revoked | S.I. No. 158 of 1964, regs. 3, 4 |
| 266 | General Institutional and Specialist Services (Amendment) Regulations 1958 | Revoked | S.I. No. 105 of 1971, regs. 3, 4 and sch. |
| 267 | Mental Treatment (Amendment) Regulations 1958 | Revoked | S.I. No. 105 of 1971, regs. 3, 4 and sch. |