http://www.legislation.gov.uk/asc/2022/2/section/10/2022-09-09/welshDeddf Deddfau Trethi Cymru etc. (Pŵer i Addasu) 2022cyStatute Law Database2022-11-07Expert Participation2022-09-09I110Enw byrEnw byr y Ddeddf hon yw Deddf Deddfau Trethi Cymru etc. (Pŵer i Addasu) 2022.