We wanted Our Charter to start to reflect how we want to have shared responsibilities, values and behaviours, as we work with everyone to help deliver a fair tax system for Wales.
Roeddem eisiau i ddogfen Ein Siarter ddechrau adlewyrchu sut rydym eisiau rhannu cyfrifoldebau, gwerthoedd ac ymddygiadau, wrth i ni weithio gyda phawb i helpu i gyflwyno system dreth deg i Gymru.