January 8th 2019

The National Maritime Center (NMC) and all Regional Exam Centers (RECs) remain closed until further notice as a result of the government shutdown.

In an attempt to mitigate the impact of the partial lapse in appropriations and the shutdown of NMC operations, the Coast Guard has announced the following actions.

— Merchant Mariner Credentials (MMC) (National Endorsements only) that expire between Dec. 22, 2018, and Jan. 31, 2019, are extended as valid until March 31, 2019.

Affected mariners should go to the NMC website,, to print a copy of the letter that appears at the end of this news brief.

The letter should be carried with the MMC.

  • Additional Information (AI) letters that expire in December 2018 or January 2019 are extended to March 31, 2019.
  • Approval to Test (ATT) letters and mariner training course certificates that expire in the months of December 2018 or January 2019 are extended until March 31, 2019.
  • For mariners whose 90-day testing cycles were interrupted by REC closures (starting on Dec. 24, 2018), the days the RECs were closed will not count against the 90-day period.

REC appointment calendars will be re-opened immediately once appropriations are restored.

The NMC understands the partial shutdown may affect our industry customers and stakeholders and we apologize for any inconvenience.

If you have questions, visit the NMC website, or contact the NMC Customer Service Center by using the NMC online chat system, by e-mailing, or by calling 1-888-IASKNMC (427-5662).

This letter should be printed and carried with the MMC.