Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

DOT Rule 49 CFR Part 40 Section 40.185

Subpart H - Split Specimen Tests

§ 40.185 Through what methods and to whom must a laboratory report split specimen results?
(a) As the laboratory testing the split specimen, you must report laboratory results directly, and only, to the MRO at his or her place of business. You must not report results to or through the DER or another service agent (e.g., a C/TPA).
(b) You must fax, courier, mail, or electronically transmit a legible image or copy of the fully-completed Copy 1 of the CCF, which has been signed by the certifying scientist.
(c) You must transmit the laboratory result to the MRO immediately, preferably on the same day or next business day as the result is signed and released.