New Merchant Mariner Credential

The Coast Guard announces the availability of a new style of Merchant Mariner Credential (MMC) for review. The new style of MMC is replacing the current passport-style MMC. The new MMC will be implemented on March 1, 2024. Issuance of the passport-style MMC will be discontinued on the same date. Passport-style MMCs will remain valid through their expiration date. The Coast Guard has included an example of the new MMC in this docket for review. The Coast Guard will continue to produce mariner medical certificates in their current format.
Source: Federal Register USCG
Link: New Merchant Mariner Credential