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TITLE 6 > CHAPTER 1 > SUBCHAPTER IV

SUBCHAPTER IV—DIRECTORATE OF BORDER AND TRANSPORTATION SECURITY

  • Part A—Under Secretary for Border and Transportation Security
  • Part B—United States Customs Service
  • Part C—Miscellaneous Provisions
  • Part D—Immigration Enforcement Functions
  • Part E—Citizenship and Immigration Services
  • Part F—General Immigration Provisions

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