Information relating to revisions is presented in the ‘Notes for this month’s publication’ and in the information accompanying the StatsWales datasets each month.
Mae effaith y diwygiadau’n cael ei ddadansoddi mewn ystadegau Treth Trafodiadau Tir misol a chwarterol, a darperir sylwebaeth yn yr ystadegau Treth Trafodiadau Tir chwarterol.