49 CFR 219.903 - Access to facilities and records.
(a) Release of regulated employee information contained in records required to be maintained under § 219.901 must be in accordance with part 40 of this title and with this section. (For purposes of this section only, urine drug testing records are considered equivalent to breath alcohol testing records.)
(b) Each railroad must grant access to all facilities used to comply with this part to the Secretary of Transportation, United States Department of Transportation, or any DOT agency with regulatory authority over the railroad or any of its regulated employees.
(c) Each railroad must make available copies of all results for its drug and alcohol testing programs conducted under this part and any other information pertaining to the railroad's alcohol and drug misuse prevention program, when requested by the Secretary of Transportation or any DOT agency with regulatory authority over the railroad or regulated employee.