IMPORTANT NOTE ABOUT COLOURS: Colours I've adopted are the same expressed in the FOTW (Flags Of The World) website in this page and they should be the right colours established by the Official Bulletin of the Basque Country of 26 October 1999.
I, the author of this work, hereby publish it under the following license:
This file is licensed under the Creative CommonsAttribution ShareAlike 2.5 License. In short: you are free to share and make derivative works of the file under the conditions that you appropriately attribute it, and that you distribute it only under a license identical to this one. Official license