Kammala wannan jumla: Barnett ya yi aiki a matsayin Babban Sakataren Baitulmalin daga 1974 zuwa 1979, yana samun kujerar a majalisar ministoci daga 1977 zuwa gaba, kuma shi ne hannun dama na Denis Healey a Gwamnatin Callaghan. A wannan lokacin ya kula da kirkirar abin da aka sani da Barnett Formula wanda aka rarraba kuɗin jama'a tsakanin Ingila, Scotland, Wales, da Arewacin Ireland. Daga baya ya yi ba'a game da wani nau'i na rashin mutuwa da ba zato ba tsammani da aka ba shi ta hanyar "samun nasa tsari". Bayan Dokar Scotland ta 1998 da rarrabawa, ya yi jayayya cewa Tsarin bai dace da Ingila ba kuma ya kamata a yi watsi da shi ko a sake duba shi. Ya sake maimaita wannan ra'ayi a cikin 2014 jim kadan kafin
Zaben raba gardama na 'yancin Scottish, yana kiran Formula ba zai yiwu ba kuma yana cewa ya zama abin kunya.