ATF fingerprint cards are essential validation documents used by the U.S. Bureau of Alcohol, Tobacco, Firearms, and Explosives (ATF) to conduct background checks for firearm purchases. These cards include an individual’s name, address, date of birth, Social Security number, and fingerprints.

The fingerprinted cards and EFT files are submitted to the Federal Bureau of Investigation (FBI) for a criminal background check. If the applicant passes, they are eligible for a firearms license. However, individuals with a disqualifying criminal record will be denied a license. ATF fingerprinting and EFT file creation play a crucial role in the online firearm application and purchasing process in the U.S.