Cooperation between safety investigation authorities
Article 6
1. A safety investigation authority from one Member State may request the assistance of safety investigation authorities from other Member States. When, following a request, a safety investigation authority agrees to provide assistance, such assistance shall, as far as possible, be provided free of charge. 2. A safety investigation authority may delegate the task of conducting an investigation into an accident or serious incident to another safety investigation authority subject to mutual agreement and shall facilitate the investigation process by that other authority.