1. 

Judicial proceedings — Rules on languages — Production of procedural documents in a language other than that of the case — Admissibility criteria (Rules of Procedure of the Court of Justice, Arts 37(2)(c) and 38(1) to (3)) (see paras 14-16)

2. 

Judicial proceedings — Costs — Taxation — Recoverable costs — Expenses necessarily incurred by the parties — Definition — Fees paid by a party to its lawyer — Included — Elements to be taken into consideration for the purposes of taxation (Rules of Procedure of the Court of Justice, Arts 144(b) and 184(1)) (see paras 19, 20, 23)

3. 

Judicial proceedings — Costs — Taxation — Recoverable costs — Involvement of more than one lawyer — No effect — Assessment having regard primarily to the total number of hours’ work objectively necessary for the purposes of the proceedings (Rules of Procedure of the Court of Justice, Art. 144(b)) (see paras 28, 29)

4. 

Judicial proceedings — Costs — Taxation — Recoverable costs — Intervener (Rules of Procedure of the Court of Justice, Art. 144(b)) (see para. 32)