[Code of Federal Regulations]
[Title 49, Volume 2]
[Revised as of October 1, 2006]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR171.21]

[Page 120]
 
                        TITLE 49--TRANSPORTATION
 
   CHAPTER I--PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, 
                      DEPARTMENT OF TRANSPORTATION
 
PART 171_GENERAL INFORMATION, REGULATIONS, AND DEFINITIONS--Table of 
 
Sec.  171.21  Assistance in investigations and special studies.

    (a) A shipper, carrier, package owner, package manufacturer or 
certifier, repair facility, or person reporting an incident under the 
provisions of Sec.  171.16 must:
    (1) Make all records and information pertaining to the incident 
available to an authorized representative or special agent of the 
Department of Transportation upon request; and
    (2) Give an authorized representative or special agent of the 
Department of Transportation reasonable assistance in the investigation 
of the incident.
    (b) If an authorized representative or special agent of the 
Department of Transportation makes an inquiry of a person required to 
complete an incident report in connection with a study of incidents, the 
person shall:
    (1) Respond to the inquiry within 30 days after its receipt or 
within such other time as the inquiry may specify; and
    (2) Provide true and complete answers to any questions included in 
the inquiry.

[68 FR 67760, Dec. 3, 2003]