The UEFA Nations League was unanimously adopted by the 54 UEFA member associations (Kosovo was not a member at this time) at the XXXVIII Ordinary UEFA Congress in Astana on 27 March 2014.
UEFA-inu Ligu nacija jednoglasno su usvojila sva 54 saveza člana UEFA-e (Kosovo nije bilo član tada) na 38. redovitom UEFA-inom kongresu u Astani 27. ožujka 2014.