The issue focused on firearms dealers being prosecuted under Federal Firearms Regulations which prohibits possessing firearms without being licensed by ATF (despite owning firearms legally), therefore prohibiting lawful commerce between dealer and purchaser (according to ATF regulation), preventing interstate commerce between seller and purchaser (according to ATF regulation), prohibiting interstate shipment between purchaser and retailer (according to ATF regulation), prohibiting interstate shipment between purchaser and distributor (according to ATF regulation), prohibiting interstate shipment between purchaser and retailer (according to ATF regulation), prohibiting interstate shipment between purchaser and distributor (according to