(1) An application for a permit, ATF Form 6—Part I, to import or bring a firearm, firearm barrel, or ammunition into the United States or a possession thereof by a licensee, other than a licensed importer, must be filed, in triplicate, with the Director. The application must be signed and dated and must contain the information requested on the form, including:
(i) The name, address, telephone number, and license number (including expiration date) of the applicant;
(v) The specific purpose of importation, including final recipient information if different from the applicant; and
(A) If a firearm or ammunition imported or brought in for scientific or research purposes, a statement describing such purpose; or
(B) If a firearm or ammunition for use in connection with competition or training pursuant to Chapter 401 of Title 10, U.S.C., a statement describing such intended use; or
(C) If an unserviceable firearm (other than a machine gun) being imported as a curio or museum piece, a description of how it was rendered unserviceable and an explanation of why it is a curio or museum piece; or
(D) If a firearm other than a surplus military firearm, of a type that does not fall within the definition of a firearm under section 5845(a) of the Internal Revenue Code of 1986, and is for sporting purposes, an explanation of why the firearm is generally recognized as particularly suitable for or readily adaptable to sporting purposes; or
(E) If ammunition being imported for sporting purposes, a statement why the ammunition is particularly suitable for or readily adaptable to sporting purposes; or
(F) If a firearm barrel for a handgun, an explanation why the handgun is generally recognized as particularly suitable for or readily adaptable to sporting purposes.
(i) If the Director approves the application, such approved application will serve as the permit to import the firearm, firearm barrel, or ammunition described therein, and importation of such firearms, firearm barrels, or ammunition may continue to be made by the applicant under the approved application (permit) during the period specified thereon. The Director will furnish the approved application (permit) to the applicant and retain two copies thereof for administrative use.
(ii) If the Director disapproves the application, the applicant will be notified of the basis for the disapproval.
(c) A firearm, firearm barrel, or ammunition imported or brought into the United States or a possession thereof under the provisions of this section may be released from Customs custody to the licensee upon showing that the licensee has obtained a permit from the Director for the importation of the firearm, firearm barrel, or ammunition to be released.
(1) In obtaining the release from Customs custody of a firearm, firearm barrel, or ammunition authorized by this section to be imported through the use of a permit, the licensee will prepare ATF Form 6A, in duplicate, and furnish the original ATF Form 6A to the Customs officer releasing the firearm, firearm barrel, or ammunition. The Customs officer will, after certification, forward the ATF Form 6A to the address specified on the form.
(2) The ATF Form 6A must contain the information requested on the form, including:
(i) The name, address, and license number of the licensee;