Updated to 2 April 2025 (Act No. 1 of 2025 and S.I. No. 119 of 2025)
Warning: Only amendments made since 1 January 1972 are completely recorded.
| SI Year and Number 1955 | Title | How Affected | Affecting Provision |
| 251 | Irish Red Cross Society (Directions As to Ambulance Service) Order 1955 | Revoked | S.I. No. 522 of 2006, art. 2 |
| 253 | Minister For Industry and Commerce (Agency) Order, 1955 | Not affected | |
| 261 | Employment Regulation Order (Messengers (Dublin City and Dun Laoghaire) Joint Labour Committee) 1955* | Not affected | |
| *See John Grace Fried Chicken Limited and John Grace and Quick Service Food Alliance Limited v The Catering Joint Labour Committee, the Labour Court, Ireland and the Attorney General [2011] IEHC 277 | |||
| 263 | Mercantile Marine Act, 1955 (Reciprocating State) (United Kingdom and Colonies) Order 1955 | Revoked | 43/2014, ss. 1(3), 8, sch. 2 |