CFR /  Title 10  /  Part 26  /  Sec. 26.83 Specimens to be collected.

Except as permitted under Sec. 26.31(d)(5), licensees and other entities who are subject to this subpart shall--

(a) Collect either breath or oral fluids for initial tests for alcohol. Breath must be collected for confirmatory tests for alcohol; and

(b) Collect only urine specimens for both initial and confirmatory tests for drugs.