| Number and Year in S.I. Series | Title |
| No. 1 of 1973 | European Communities (Sea Fisheries) Regulations 1973 |
| No. 14 of 1973 | European Communities (Cycle Tyres) Regulations 1973 |
| No. 15 of 1973 | European Communities (Marketing of Eggs) Regulations 1973 |
| No. 19 of 1973 | European Communities (Seeds of Perennial Ryegrass and Cereals) Regulations 1973 |
| No. 20 of 1973 | European Communities (Fruit and Vegetables) Regulations 1973 |
| No. 24 of 1973 | European Communities (Common Agricultural Policy) (Market Intervention) Regulations 1973 |
| No. 30 of 1973 | European Communities (Bacon Levy Periods) Regulations 1973 |
| No. 32 of 1973 | European Communities (An Bord Bainne) Regulations 1973 |
| No. 43 of 1973 | European Communities (Names and Labelling of Textile Products) Regulations 1973 |
| No. 67 of 1973 | European Communities (Measuring Instruments) Regulations 1973 |
| No. 127 of 1973 | European Communities (Fishery Limits) Regulations 1973 |
| No. 128 of 1973 | European Communities (Marketing Standards for Eggs) Regulations 1973 |
| No. 129 of 1973 | European Communities (Fresh Poultry Meat) Regulations 1973 |
| No. 163 of 1973 | European Communities (Companies) Regulations 1973 |
| No. 165 of 1973 | European Communities (Forest Reproductive Material) Regulations 1973 |
| No. 173 of 1973 | European Communities (Vegetable Seeds) Regulations 1973 |
| No. 174 of 1973 | European Communities (Seeds) (Amendment) Regulations 1973 |
| No. 285 of 1973 | European Communities (Avena Fatua) Regulations 1973 |
| No. 331 of 1973 | European Communities (Radio Interference from Vehicle Ignition Systems) Regulations 1973 |
| No. 345 of 1973 | European Communities (Dairy Herds Conversion Premium) Regulations 1973 |