46 Code of Federal Regulations (CFR) Part 10 requires that all applicants for the original issuance or renewal of a Merchant Mariner Credential (MMC) and applicants seeking certain raises in grade or new endorsements must provide evidence of having passed a chemical test for dangerous drugs or meet the requirements for an exemption from testing in accordance with 46 CFR 16.220. If an applicant fails to meet this requirement, the Coast Guard will not issue the MMC.

View the notice for full details.

Have questions or comments? Contact the NMC by using our Online Chat or Ticketing System, by e-mailing IASKNMC@uscg.mil, or by calling 1-888-I-ASK-NMC (427-5662).

For the latest in merchant mariner credentialing, visit https://www.uscg.mil/nmc.

This blog is not a replacement or substitute for the formal posting of regulations and updates or existing processes for receiving formal feedback of the same. Links provided on this blog will direct the reader to official source documents, such as the Federal Register, Homeport and the Code of Federal Regulations. These documents remain the official source for regulatory information published by the Coast Guard.