We want your views on what tools are needed to ensure Welsh Ministers can make changes to Welsh tax legislation at short notice.
Rydym am glywed eich barn am y dulliau sydd eu hangen i sicrhau bod Gweinidogion Cymru yn gallu gwneud newidiadau ar fyr rybudd i ddeddfwriaeth sy’n ymwneud â’r trethi Cymreig.