ATF Law and Legal Definition
ATF is a federal law enforcement organization within the U.S. department of justice. ATF is the abbreviation used for the bureau of alcohol, tobacco, firearms and explosives. The responsibilities of the bureau include the investigation and prevention of federal offences involving the unlawful use, manufacture and procession of firearms and explosives. ATF also regulates the sale, procession and transportation of firearms, ammunition and explosives in interstate commerce through the issuance of license.