Nododd y Gweinidogion Cyllid hefyd y byddent yn disgwyl i Drysorlys EM gymhwyso fformiwla Barnett mewn ffordd deg, gyson a chywir, gan helpu i sicrhau bod cyllidebau’r Gweinyddiaethau Datganoledig yn cael eu cyfran deg o gyllid canlyniadol o wariant cymharol yn Lloegr. Dylai hyn gynnwys buddsoddi mewn seilwaith mewn perthynas â HS2.
The Finance Ministers also noted that they would expect HM Treasury to apply the Barnett formula fairly, consistently and correctly, helping to ensure that the Devolved Administrations budgets receive their fair share of consequential funding from comparable spending in England. This should include infrastructure investment relating to HS2.