In July the Welsh Government laid before the National Assembly for Wales the Tax Collection and Management (Wales) Bill, marking a significant step in preparing the way for tax devolution .
Ym mis Gorffennaf gosododd Llywodraeth Cymru Fil Casglu a Rheoli Trethi (Cymru) gerbron Cynulliad Cenedlaethol Cymru, cam arwyddocaol o ran hwyluso’r ffordd ar gyfer datganoli trethi .