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 1958 | Title | How Affected | Affecting Provision |
| 156 | Garda Síochána Pay (No. 2) Order 1958 | Continued in force | 1/2024, ss. 1(2), 261(1) |
| Art. 4 rates and scales substituted | S.I. No. 153 of 1992, art. 4, Schedules 1-40 | ||
| S.I. No. 155 of 1975, arts. 4(1)(a)-(g), 5, schedules 1-7 | |||
| Art. 12(a) substituted | S.I. No. 155 of 1975, arts. 4(2), 6(a) | ||
| Art. 12(c) substituted | S.I. No. 155 of 1975, arts. 4(2), 6(b) | ||
| 157 | Harbours (Transfer of Ministerial Powers) Order 1958 | Not affected | |
| 160 | Factories Act, 1955 (Hygrometers) Regulations 1958 | Continued in force | 10/2005, ss. 1(2), 4(4) |
| 163 | Restrictive Trade Practices (Groceries) Order, 1956, (Amendment) Order 1958 | Revoked | S.I. No. 69 of 1981, art. 19 |
| Application extended | S.I. No. 49 of 1973, art. 12 | ||
| 164 | Local Government (Sanitary Services) Act, 1948 (Section 34) (Part of Urban District of Youghal) Order 1958 | Not affected | |
| 176 | Garda Síochána (Appointments) Regulations 1958 | Revoked | S.I. No. 164 of 1988, reg. 17 |
| Art. 4 substituted | S.I. No. 1 of 1977, reg. 4(a) | ||
| Reg. 4(c), (d) substituted | S.I. No. 18 of 1972, reg. 4 | ||
| Reg. 4(1) substituted | S.I. No. 202 of 1981, reg. 4 | ||
| Reg. 4(1)(a) substituted | S.I. No. 308 of 1979, reg. 4(a) | ||
| Re. 4(1)(b) alternative medical practitioner prescribed | S.I. No. 101 of 1984, art. 3 | ||
| Reg. 4(3) inserted | S.I. No. 308 of 1979, reg. 4(b) | ||
| Art. 4A inserted | S.I. No. 1 of 1977, reg. 4(b) | ||
| 177 | Garda Síochána (Retirement) (No. 2) Regulations 1958 | Revoked | S.I. No. 8 of 1974, reg. 3 |
| 178 | Pigs and Bacon Acts 1935 to 1956 (Pigs and Bacon Commission) Insurance Allowance (No. 1) Order 1958 | Revoked | S.I. No. 60 of 1960, arts. 3, 5 |
| 186 | Game Preservation Act, 1930 (Transfer of Departmental Administration and Ministerial Functions) Order 1958 | Not affected | |
| 188 | Harbour Rates (Harbours of Dublin, Skerries and Balbriggan) Order 1958 | Revoked | S.I. No. 6 of 1976, arts. 1(2), 5 |
| S.I. No. 269 of 1974, arts. 1(2), 3(3) | |||
| 198 | Road Vehicles (Registration and Licensing) (Amendment) Regulations 1958 | Whole S.I. except in so far as it relates to trade licences revoked | S.I. No. 311 of 1982, regs. 1(2), 1(3), schedule 1 |
| Whole S.I. insofar as it relates to the use of a mechanically propelled vehicle, or trailer with respect to the design, construction, fitting, mounting or performance standards of a component of a mechanically propelled vehicle or trailer application restricted | S.I. No. 41 of 1980, reg. 3 | ||
| Reg. 8(1)(c) inserted | S.I. No. 122 of 1977, regs. 1(3), 7 | ||
| Reg. 8(2) amended | S.I. No. 103 of 1981, regs. 1(2), 2 |