Bydd ACC yn cyhoeddi ystadegau rheolaidd ynghylch y trethi mae’n eu gweinyddu yng Nghymru. Mae’r amserlen cyhoeddi ar gael ar wefan ACC yn:https://llyw.cymru/ystadegau-ac-ymchwil/i-ddod?field_stats_series_external_organisation%5B543%5D=543
The WRA will publish regular statistics about the taxes it administers in Wales. The publication timetable is available on the WRA’s website at:https://gov.wales/statistics-and-research/upcoming?field_stats_series_external_organisation%5B543%5D=543