Some work would be done with the National Assembly for Wales (NAW) to develop procedures that would allow quick changes to tax legislation.
Byddai rhywfaint o waith yn cael ei wneud gyda Chynulliad Cenedlaethol Cymru (CCC) i ddatblygu gweithdrefnau a fyddai’n caniatáu newidiadau cyflym i ddeddfwriaeth treth.