1. Actions for annulment ° Jurisdiction of the Community judicature ° Issuing of directions to an institution ° Not permissible (ECSC Treaty, Art. 33) 2. Actions for annulment ° Review of the evaluation of the situation resulting from economic facts and circumstances ° Complaint of manifest failure to comply with the Treaty ° Need for a complaint to be accompanied by relevant evidence ° Carrying out of the review ° Conditions and limits (ECSC Treaty, Art. 33) 3. ECSC ° Provisions relating to cartels and the abuse of dominant position ° Extraction licences for unworked coal ° Rate of royalty fixed by a producer ° Whether possible to consider it solely in the light of the provisions on abuse of a dominant position, to the exclusion of those relating to cartels ° Provisions relating to pricing practices not applicable (ECSC Treaty, Arts 4(d), 60, 65 and 66(7)) 4. Competition ° Administrative procedure ° Complainants' rights ° Right to a formal hearing before the complaint is rejected by the Commission ° No right 5. Acts of the institutions ° Statement of reasons ° Obligation ° Scope ° Decision applying the competition rules in the context of the ECSC Treaty 6. Actions for annulment ° Pleas in law ° Misuse of powers ° Concept