Whakakī i te rerenga e whai ake nei: Ko te Ture o Wales 1978 he Ture no te Paremata o te United Kingdom e whai ana ki te whakauru i tetahi waahanga iti o te mana whakahaere i Wales ma te hanga i tetahi Huihuinga Welsh. Kāore i whai mana te ture nā te pōti "kāore" i roto i te
1979 Welsh devolution referendum a i whakakorehia i te 1979.