Court of Justice of the European Communities — Provisional measures — Request for suspension of execution of decision of High Authority — Decision constituting refusal of authorization of trading regulations — Competence of Court to compel authorization by administration — Competence of Court to grant provisional authorization — Whether suspension may be granted if damage to plaintiffs can be compensated.

Court of Justice of the European Communities — Costs — Vexatious costs — Plaintiffs led to bring appeal by action of High Authority — Part of plaintiffs' costs charged to High Authority.

International organization — European Coal and Steel Community — What constitutes a decision of High Authority — Decision authorizing trading regulations with preamble containing conditions under which future authorization of such regulations would be granted — Whether conditions constituted part of decision with binding effect or were merely indications of future action by High Authority — Violation of Treaty — Power of High Authority under Article 47 — Whether decision appointing inspectors to report and study under Article 47 had legal effect upon enterprise or was merely internal measure.