Versions of 46 CFR Part 10 - Merchant Mariner Credential on LawServer 2024 46 CFR Part 10 – Merchant Mariner Credential 2023 46 CFR PART 10 – MERCHANT MARINER CREDENTIAL 2022 46 CFR Part 10 – Merchant Mariner Credential 2021 46 CFR Part 10 – Merchant Mariner Credential 2020 46 CFR Part 10 – Merchant Mariner Credential