49 C.F.R. § 801.56 Records compiled for law enforcement purposes.
Title 49 - Transportation
This exemption from public disclosure applies to records compiled for law enforcement, but only to the extent that disclosure would interfere with enforcement, would be an unwarranted invasion of privacy, would disclose the identity of a confidential source, would disclose investigative procedures and practices, or would endanger the life or security of law enforcement personnel.
Title 49: Transportation
PART 801—PUBLIC AVAILABILITY OF INFORMATION
Subpart F—Exemption From Public Disclosure
§ 801.56 Records compiled for law enforcement purposes.

