Landfill site operators can apply to the Welsh Revenue Authority for approval to use an alternative method to determine the weight of the material in a taxable disposal.
Caiff gweithredwyr safle tirlenwi wneud cais i Awdurdod Cyllid Cymru am gymeradwyaeth i ddefnyddio dull arall i bennu pwysau’r deunydd mewn gwarediad trethadwy.