This is the total of all transactions that fell within one of the tax risks we identified during the year, added to any transactions where the tax return was later corrected.
Yna caiff pob un o'r 'risgiau treth' hynny eu dadansoddi ar wahân er mwyn nodi nifer y trafodiadau a’r risgiau treth, fel y gellir olrhain hyn dros amser.