CFR > Title 8 - Aliens and Nationality > CHAPTER I—DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER C—NATIONALITY REGULATIONS (parts 301 to 499) > PART 343—CERTIFICATE OF NATURALIZATION OR REPATRIATION; PERSONS WHO RESUMED CITIZENSHIP UNDER SECTION 323 OF THE NATIONALITY ACT OF 1940, AS AMENDED, OR SECTION 4 OF THE ACT OF JUNE 29, 1906