The U.S. Coast Guard’s National Maritime Center (NMC) issues the merchant mariner credential (MMC) under Title 46, Code of Federal Regulations, Part 10. The MMC serves as a means to collect a maritime employee’s various licenses and endorsements into one document.The NMC has established a cost structure in association with issuing licenses, endorsements and other credentials. The timeline for payment of certain fees is as follows: issuance fee – prior to receipt of MMC; evaluation fee – at the...