From April 2018, Wales will start collecting taxes for the first time in 800 years as stamp duty land tax and landfill tax are devolved.
O fis Ebrill 2018 ymlaen, bydd Cymru'n dechrau casglu trethi am y tro cyntaf ers 800 o flynyddoedd, gan fod treth dir y dreth stamp a'r dreth dirlenwi yn cael eu datganoli.