Ar 1 Ebrill, dechreuodd Awdurdod Cyllid Cymru (ACC) gasglu a rheoli dwy dreth newydd yng Nghymru - y dreth trafodiadau tir a’r dreth gwarediadau tirlenwi, a wnaeth ddisodli’r dreth dir ar y dreth stamp a'r dreth dirlenwi, yn y drefn honno.
The Welsh Revenue Authority (WRA) started collecting and managing Wales’ two new taxes – land transaction tax and landfill disposals tax, which replaced stamp duty land tax and landfill tax, respectively – on April 1.