However, all comparisons of 2020-21 data against 2019-20 data should be considered in light of the ‘ Effects of coronavirus (COVID-19) and changes to LTT rates.’
Fodd bynnag, dylid ystyried pob cymhariaeth o ddata 2020-21 yn erbyn data 2019-20 yng ngoleuni effeithiau coronafeirws (COVID-19) a'r newidiadau i gyfraddau’r Dreth Trafodiadau Tir.