Kammala wannan jumla: A matsayin martani ga fitowar Plaid Cymru da Jam'iyyar Scottish National Party (SNP) Gwamnatin Labour ta Harold Wilson ta kafa Hukumar Masarauta kan Kundin Tsarin Mulki (Kwamitin Kilbrandon) don bincika tsarin tsarin mulkin Burtaniya a 1969. Shawarwarin da ya bayar a ƙarshe sun zama tushen Farin Jarida na 1974 "Demokradiyya da Rarrabawa: shawarwari ga Scotland da Wales"., wanda ya ba da shawarar ƙirƙirar Majalisar Welsh. Sai dai masu jefa kuri'a sun yi watsi da kudurin da mafi yawan kuri'u hudu zuwa daya a cikin wani
kuri'ar raba gardama da aka gudanar a shekarar 1979.