(2) Člena 221 Pogodbe ES in 137 Pogodbe ESAE, z vsemi spremembami, določata, da Sodišče zaseda v senatih, v velikem senatu ali, če je to primerno, na plenarnih sejah, člen 16 novega Protokola o statutu Sodišča pa določa sestavo senatov in velikega senata; treba je upoštevati navedene nove sestave v poslovniku, zato je treba določiti podrobna pravila za dodelitev zadev sestavam in njihovo sestavo za vsako zadevo.
(2) Articles 221 of the EC Treaty and 137 of the EAEC Treaty, as amended, provide that the Court is to sit in chambers, in a Grand Chamber or, where appropriate, as a full Court, and Article 16 of the new Protocol on the Statute of the Court of Justice lays down the composition of the chambers and of the Grand Chamber; account must be taken of those new formations in the Rules of Procedure and certain detailed rules must be laid down for the assignment of cases to the formations and for their composition for each case.