49 CFR § 390.15 - Assistance in investigations and special studies.
(1) Make all records and information pertaining to an accident available to an authorized representative or special agent of the Federal Motor Carrier Safety Administration, an authorized State or local enforcement agency representative, or authorized third party representative within such time as the request or investigation may specify.
(2) Give an authorized representative all reasonable assistance in the investigation of any accident, including providing a full, true, and correct response to any question of the inquiry.
(i) Date of accident.
(iii) Driver Name.
(iv) Number of injuries.
(v) Number of fatalities.
The following state regulations pages link to this page.