OBS_VALUE: Any party, national or foreign, affected by a restrictive practice may present a complaint to the Portuguese competition authority, which may lead to the opening of an investigation of breach of national or EU competition law, under article 17 of Law 19/2012. Moreover, both national and foreign persons affected by a restrictive practice may propose damage actions, under the national civil procedural law.Mergers and acquisitions that meet certain thresholds are subject to control by the Portuguese Competition Authority.