You are using an unsupported browser. This web site is designed for the current versions of Microsoft Edge, Google Chrome, Mozilla Firefox, or Safari.
The Office of the Federal Register publishes documents on behalf of Federal agencies but does not have any authority over their programs. We recommend you directly contact the agency associated with the content in question.
If you have comments or suggestions on how to improve the www.ecfr.gov website or have questions about using www.ecfr.gov, please choose the 'Website Feedback' button below.
If you would like to comment on the current content, please use the 'Content Feedback' button below for instructions on contacting the issuing agency
Enhanced content is provided to the user to provide additional context.
This content is from the eCFR and is authoritative but unofficial.
Navigate by entering citations or phrases (eg: 1 CFR 1.1 49 CFR 172.101 Organization and Purpose 1/1.1 Regulation Y FAR).
Choosing an item from citations and headings will bring you directly to the content. Choosing an item from full text search results will bring you to those results. Pressing enter in the search box will also bring you to search results.
Background and more details are available in the Search & Navigation guide.
The in-page Table of Contents is available only when multiple sections are being viewed.
Use the navigation links in the gray bar above to view the table of contents that this content belongs to.
46 U.S.C. 2103, 3306, 7101, 7301, and 7701; DHS Delegation No. 00170.1, Revision No. 01.4.
CGD 86-067, 53 FR 47079, Nov. 21, 1988, unless otherwise noted.
CGD 86-067, 53 FR 47079, Nov. 21, 1988, as amended by USCG-2021-0097, 89 FR 93134, Nov. 25, 2024, unless otherwise noted.
This content is from the eCFR and may include recent changes applied to the CFR. The official, published CFR, is updated annually and available below under "Published Edition". You can learn more about the process here.
Subscribe to: 46 CFR 16.203
View the most recent official publication:
These links go to the official, published CFR, which is updated annually. As a result, it may not include the most recent changes applied to the CFR. Learn more.
Information and documentation can be found in our developer resources.
The Code of Federal Regulations (CFR) is the official legal print publication containing the codification of the general and permanent rules published in the Federal Register by the departments and agencies of the Federal Government. The Electronic Code of Federal Regulations (eCFR) is a continuously updated online version of the CFR. It is not an official legal edition of the CFR.
Learn more about the eCFR, its status, and the editorial process.
(a) Employers.
(1) Employers must ensure that they and their crewmembers meet the requirements of this part.
(2) Employers are responsible for all the actions of their officials, representatives, and agents in carrying out the requirements of this part.
(3) All agreements and arrangements, written or unwritten, between and among employers and service agents concerning the implementation of DOT drug testing requirements are deemed, as a matter of law, to require compliance with all applicable provisions of this part and DOT agency drug testing regulations. Compliance with these provisions is a material term of all such agreements and arrangements.
(b) Medical Review Officer (MRO).
(1) Individuals performing MRO functions must meet the training requirements and follow the procedures in 49 CFR part 40.
(2) MROs may report chemical drug test results to the Coast Guard for unemployed, self-employed, or individual mariners.
(c) Substance Abuse Professional (SAP). Individuals performing SAP functions must meet the training requirements and follow the procedures in 49 CFR part 40.
[USCG-2000-7759, 66 FR 42968, Aug. 16, 2001]