determination under subparagraph (A), the Director of the Bureau of Alcohol, Tobacco, Firearms and Explosives shall conduct a hearing on the appeal. (C) Notice of determination The Director of the Bureau of Alcohol, Tobacco, Firearms and Explosives shall provide written notice of the determination made after a hearing under subparagraph (B) regarding the appealed revocation to the individual. (D) Appeal If the Director of the Bureau of Alcohol, Tobacco, Firearms and Explosives determines after a hearing under this paragraph to uphold the revocation, the determination may be appealed to an appropriate district court of the United States. (i) Annual background investigations The Attorney General shall conduct, not less frequently than annually, a background investigation of each individual to whom a Federal firearm owner's license is issued under this section to ensure that— (1) the individual is not prohibited from possessing a firearm under subsection (g) or (n) of section 922 or under State law