Supporting Welsh Ministers to prepare the proposed annual rates for WRIT, to be presented to the Senedd as part of the annual budget setting process.
Helpu Gweinidogion Cymru i baratoi’r cyfraddau blynyddol arfaethedig ar gyfer CTIC, a gaiff eu cyflwyno i’r Senedd fel rhan o’r broses flynyddol o bennu’r gyllideb.