Collective management organizations make complaint procedures available. They are required to respond in writing within two months to complaints. When a collective management organization rejects a complaint, its decision must be reasoned.Mediation disputes may arise between collective management bodies established in the Grand Duchy of Luxembourg granting or offering to grant multi-territorial online rights licenses for musical works and an online service provider or licensees. rights.Disputes between collective management bodies and users concerning in particular the existing or proposed licensing conditions or a breach of contract fall within the jurisdiction of the District Court of and in Luxembourg, sitting in commercial matters.