Coast Guard Extends Merchant Mariner Medical Certificates
Merchant Mariner Credentials may only be extended for up to one year from their date of expiration.
Credentials that expire between March 1, 2020 and June 30, 2021 are extended until the EARLIER of
October 31, 2021; OR
One year after the initial expiration date of the credential
Mariners who are actively working on expired credentials that meet the extension criteria must carry the expired credential with a copy of this notice.
