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.
Liga negara UEFA disetujui secara aklamasi oleh 54 asosiasi anggota UEFA (Kosovo bukan anggota pada saat itu) di Kongres Biasa UEFA XXXVIII di Astana pada tanggal 27 Maret 2014.