CFR›Title 46›Chapter I›Part 10 ContainsSubparts A–DCorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 PART 10—MERCHANT MARINER CREDENTIAL Subparts A Subpart A—General Sections 10.101–10.109 B Subpart B—General Requirements for All Merchant Mariner Credentials Sections 10.201–10.239 C Subpart C—Medical Certification Sections 10.301–10.306 D Subpart D—Training Courses and Programs Sections 10.401–10.412 Authority14 U.S.C. 503; 31 U.S.C. 9701; 46 U.S.C. 2101, 2103, 2104, 2110; 46 U.S.C. chapter 71; 46 U.S.C. chapter 73; 46 U.S.C. chapter 75; 46 U.S.C. 7701, 8903, 8904, and 70105; Executive Order 10173; DHS Delegation No. 00170.1, Revision No. 01.4.SourceUSCG-2006-24371, 74 FR 11216, Mar. 16, 2009, unless otherwise noted. Previous 9 Part 9—Extra Compensation for Overtime Services Next 11 Part 11—Requirements for Officer Endorsements