We can see that the digital changes we put in place in quarter 4 2019 to 2020 had the desired effect in mitigating this risk to nil cases and tax risk.
Gallwn weld bod y newidiadau digidol a wnaed gennym yn chwarter 4 2019 hyd 2020 wedi bod yn effeithiol o ran lliniaru'r risg hon i ddim achosion a dim risg treth.