Dealing in Firearms Without License (DFL) is a crime in which an individual or business sells, transfers, purchases, trades, manufactures, transports, or repairs firearms without a valid federal firearms license (FFL). This is a felony offense punishable by fines and/or imprisonment. Types of DFL include: 1. Unlicensed manufacture: Producing firearms without a license. 2. Unlicensed sale: Selling firearms without a license. 3. Unlicensed transfer: Transferring firearms without a license. 4. Unlicensed importation: Importing firearms without a license. 5. Unlicensed repair: Repairing firearms without a license. 6. Unlicensed transportation: Transporting firearms without a license.