When a transportation occurrence mentioned in Paragraph 1 of Article 6 arises, the owner of mode, the operator of mode, the ultra-light vehicle activity group and the authorities and/or organizations of traffic control, fire department or police authority shall notify the TTSB within two hours upon receipt of the information.
When an alleged transportation occurrence likely to conform to the definition mentioned in Paragraph 1 of Article 6 arises, the owner of mode, the operator of mode, the ultra-light vehicle activity group, and the authorities and/or organizations of traffic control, fire department or police authority shall notify the TTSB within twenty-four hours upon receipt of the information.

When a transportation occurrence mentioned in Paragraph 1 of Article 6 arises, under the purpose and necessity of investigation, the TTSB Investigation Task Force may request the owner of mode, the operator of mode, supervisory authority, and other authorities concerned to provide the following information pertinent to the investigation within a specified duration:
1. Loading status and dispatch information of the mode.
2. Records of training and personal backgrounds, licenses, and other data of the operation personnel of mode that can be of assistance for the assessment of the occurrence.
3. Data and records related to the certification and maintenance of the mode.
4. Data related to weather and traffic control.
5. The medical records of the operator of mode due to the transportation occurrence and before, and the medical records of injured passengers due to the transportation occurrence.
6. Data related to airport/station/port, auxiliary equipment for operation, and navigation aid equipment.
7. Data related to search, rescue, and firefighting.
8. Data related to the inspection records by supervisory authority of the mode and the operator of mode.
9. Data related to the data recorder.
10. Other data relevant to the transportation occurrence.

Except in case of necessity for the analysis in the investigation of a transportation occurrence, the TTSB shall not publish in the investigation report the following information:
1. The testimony and evidence acquired in the course of the investigation;
2. Communication records between persons involved in the operation of the mode;
3. Medical records of the persons involved in the operation of the mode;
4. Medical records or personal information of persons related to the transportation occurrence;
5. Transcripts of transportation recordings; and
6. Transcripts of recordings from traffic control units.
No voice recordings shall be released to the public.