Firearm Offenses — In or Affecting Interstate or Foreign Commerce are offenses related to the possession, use, and transfer of firearms that cross state or international borders. These offenses are regulated and enforced by federal law, including the Gun Control Act, which prohibits the import, manufacture, sale, and possession of certain firearms. The Act also requires that firearms be traceable through their serial numbers. Types of Firearm Offenses — In or Affecting Interstate or Foreign Commerce include: 1. Unlawful possession of a firearm: The possession of any firearm in violation of federal or state law. 2. Unlawful purchase of a firearm: The purchase of any firearm from a person other than a federally licensed firearms dealer, or from a person who is not authorized to sell firearms in the jurisdiction in which the purchase is made. 3. Interstate transfer of firearms: The transportation of a firearm from one state to another, or across international borders, without the proper permits and licenses. 4. Unlawful importation of firearms: The importation of firearms into the United States without the proper permits and licenses. 5. Unlawful possession of an unregistered firearm: The possession of a firearm that is not registered with the Bureau of Alcohol, Tobacco, Firearms, and Explosives (ATF). 6. Unlawful possession of a machine gun: The possession of a machine gun, which is any firearm that can fire multiple rounds with a single pull of the trigger, without the proper permits and licenses.