Updated to 5 April 2024 (Act No. 9 of 2024 and S.I. No. 141 of 2024)
Warning: Only amendments made since 1 January 1972 are completely recorded.
| SI Year and Number 1949 | Title | How Affected | Affecting Provision |
| 107 | Infectious Diseases (Temporary Provisions) Regulations 1949 | Revoked | S.I. No. 149 of 1949, reg. 1 |
| 111 | Arklow Harbour Works Order 1949 | Rendered obsolete by repeal of Harbours Act 1946 | 61/2015, s. 5(1)(a) |
| 128 | Health (Duties of Officers) Order 1949 | Certain references to "sanitary authority" construed | 50/2013, ss. 1(3), 6, 7(4) |
| S. 16 assignment of certain medical and professional functions | S.I. No. 251 of 1998, regs. 3, 4.1, 4.2, 6 | ||
| 141 | Agricultural Co-Operative Societies (Debentures) Regulations 1949 | Schedule, pt. III amended | 12/2001, ss. 12(2), 13(2) & schedule, pt. 2 |
| 142 | Statistics Acts, 1926 and 1946 (Transfer of Ministerial Functions) Order 1949 | Not affected |