(a) Each operator shall use for the drug testing required by this part only drug testing laboratories certified by the Department of Health and Human Services under the DOT Procedures .
(b) The drug testing laboratory must permit-
(1) Inspections by the operator before the laboratory is awarded a testing contract; and
(2) Unannounced inspections, including examination of records, at any time, by the operator, the Administrator , and if the operator is subject to state agency jurisdiction, a representative of that state agency.
[53 FR 47096, Nov. 21, 1988. Redesignated by Amdt. 199-19, 66 FR 47118, Sept. 11, 2001]