---
kind: "unit"
title: "46"
title_heading: "Shipping"
key: "chI/subchB/part10"
level: "part"
label: "Part 10"
heading: "Merchant Mariner Credential"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/46/chI-subchB-part10"
sections_count: 44
---

# Part 10 — Merchant Mariner Credential

Title 46 C.F.R. — Shipping › Chapter I — Coast Guard, Department of Homeland Security › Subchapter B — Merchant Marine Officers and Seamen

## Contents

- [Subpart A — General](/cfr/46/chI-subchB-part10-subpartA.md)
- [Subpart B — General Requirements for All Merchant Mariner Credentials](/cfr/46/chI-subchB-part10-subpartB.md)
- [Subpart C — Medical Certification](/cfr/46/chI-subchB-part10-subpartC.md)
- [Subpart D — Training Courses and Programs](/cfr/46/chI-subchB-part10-subpartD.md)