The Wales Act 1978 wuxuu ahaa Xeerka Baarlamaanka Boqortooyada Ingiriiska oo loogu talagalay in lagu soo bandhigo heer xaddidan oo is-maamul ah Wales iyada oo loo marayo abuurista Golaha Welsh. Sharciga waligiis ma dhaqan gelin natiijada codka "maya" ee aftida dib u wareejinta Wales ee 1979
waxaana la joojiyay 1979.