# File Headers To make the files clean we use a standard format for new file headers. XXXX = start year YYYY = active year **Stand alone code from AzerothCore (No previous code from anyone):** ```cpp /* * Copyright (C) 2016+ AzerothCore , released under GNU AGPL v3 license, you may redistribute it and/or modify it under version 3 of the License, or (at your option), any later version. */ ``` **With previous code from external sources or developers:** ```cpp /* * Copyright (C) 2016+ AzerothCore , released under GNU GPL v3 license, you may redistribute it and/or modify it under version 3 of the License, or (at your option), any later version. * Copyright (C) XXXX-YYYY external-teamname */ ```