For more information on exemptions, reliefs and discounts please see the technical guidance on the WRA website and the legislation for Landfill Disposals Tax (Wales) Act 2017.
I gael rhagor o wybodaeth am esemptiadau, rhyddhadau a disgownt, gweler y canllawiau technegol ar wefan yr Awdurdod a’r ddeddfwriaeth ar gyfer Deddf Treth Gwarediadau Tirlenwi (Cymru) 2017.