Each of those ‘tax risks’ are then analysed separately to identify the numbers of transactions and tax at risk, so that this can be tracked over time.
Yna caiff pob un o'r 'risgiau treth' hynny eu dadansoddi ar wahân er mwyn nodi nifer y trafodiadau a’r dreth sydd mewn perygl, fel y gellir olrhain hyn dros amser.