Transportation Occurrences Investigation Act Article 16
When a transportation occurrence arises in the water, the TTSB, having thoroughly evaluated the necessity of investigation and the feasibility of recovery, shall immediately commence the activities of locating, recovering, and transporting the mode, wreckages, and data recorder mentioned in Article 14.When a transportation occurrence arises on land, the TTSB, having thoroughly evaluated the necessity of investigation, shall immediately commence the activities of searching, site-surveying, and transporting the mode, wreckages, and data recorder mentioned in Article14.For the purposes of conducting investigation operations in the water and on land, mentioned in Paragraph 1 and Paragraph 2, the TTSB may request assistance from the authorities and/or organizations concerned, the owner of mode, the operator of mode, or ultra-light vehicle activity group who shall not evade, obstruct, or refuse to provide the required assistance without reasonable grounds.