The Butter and Margarine (Sales) Regulations (Northern Ireland) 1939
黄油和人造黄油（销售）条例（北爱尔兰）1939

The Butter and Margarine (Sales) Regulations (Northern Ireland) 1938
黄油和人造黄油（销售）条例（北爱尔兰）1938

The Butter and Margarine (Sales) (No. 2) Regulations (Northern Ireland) 1939
黄油和人造黄油（销售）（第2号）条例（北爱尔兰）1939年

The Butter and Margarine (Sales) (Amendment) Regulations (Northern Ireland) 1934
黄油和人造黄油（销售）（修订）条例（北爱尔兰）1934

The Food Standards (Butter and Margarine) Regulations (Northern Ireland) 1960
1960年《食品标准（黄油和人造黄油）条例》（北爱尔兰）