FFL Boss is an FFL software application that runs in the cloud, there is no software to download or setup. FFL Boss works on Windows, Macs, iPads, ChromeOS, Tablets or any internet connected device. FFL Boss is ATF ruling 2016-1 , ATF ruling 2016-2 , ATF ruling 2016-3 , ATF ruling 2016-4 and ATF ruling 2016-5 compliant.