Serie A er inddelt i fire hovedafsnit, hvoraf det første indeholder afgørelser vedrørende fællesskabsrettens — dvs. de for de tre fællesskaber fælles retsregler — strukturer og grundsætninger, mens de tre følgende hovedafsnit vedrører retten i henholdsvis EØF, EKSF dg Euratom.
The A Series is arranged in four parts, the first of which is devoted to cases on the structure and general principles of the Community legal order, that is to say the law common to the three Communities, whilst the following three parts are devoted to the law of the EEC, the ECSC and the EAEC respectively.