We also planned to use the scoping and testing phase during 2020-21 to build a clear picture of the longer-term opportunities and benefits of the tax in respect of unauthorised disposals.
Roeddem hefyd yn bwriadu defnyddio cam cwmpasu a phrofi 2020-21 i greu darlun clir o gyfleoedd a manteision tymor hwy'r dreth o ran gwarediadau anawdurdodedig.