Mae’r cyhoeddiad hefyd yn cynnwys gwybodaeth am dderbyniadau ar gyfer 2020-21 o system Gwybodaeth Amser Real CThEM, sydd hefyd heb eu cyhoeddi o’r blaen. Mae’n dangos bod refeniw treth incwm yng Nghymru wedi dal yn dda o gymharu â gweddill y DU dros y flwyddyn ddiwethaf.
The publication also includes information about receipts for 2020-21 from HMRC’s Real Time Information (RTI) system which have also not been released publicly before. This shows that income tax revenues in Wales have held up well relative to rest of the UK over the last year.