U.S. Code / Title 46 — Shipping / Subtitle V—Merchant Marine / Part A—GeneralTitle 46ChapterChapter 505—Other General ProvisionsContents§ 50501. Entities deemed citizens of the United States§ 50502. Applicability to receivers, trustees, successors, and assigns§ 50503. Oceanographic research vessels§ 50504. Sailing school vessels§ 50505. Consistent approval of existing categorical exclusions