Gwnaed ymrwymiad yn ystod hynt Deddf Treth Gwarediadau Tirlenwi (Cymru) 2017, drwy Gynulliad Cenedlaethol Cymru ar y pryd [y Senedd], i gynnaladolygiad annibynnol o'r Dreth Gwarediadau Tirlenwi (LDT)erbyn mis Medi 2023.
A commitment was made during the passage of the Landfill Disposals Tax (Wales) Act 2017, through the then National Assembly for Wales [Senedd], for anindependent review of Landfill Disposals Tax (LDT)to be carried out by September 2023.