The WRA paid interest to taxpayers totalling £82,000 (2019 to 2020: £42,000) where the taxpayer received a tax refund.
Talodd ACC gyfanswm o £82,000 mewn llog i drethdalwyr (2019 hyd 2020: £42,000) lle cafodd y trethdalwr ad-daliad treth.