Dros Bumed Tymor y Senedd, mae Llywodraeth Cymru wedi cyflwyno nifer o fesurau i leihau effaith rhwymedigaethau'r dreth gyngor ar bobl ac aelwydydd sy'n agored i niwed ac i wella'r ffordd y caiff prosesau casglu'r dreth gyngor eu rheoli. Ymhlith y mesurau hyn yr oedd:cyflwyno Protocol Treth Gyngor Cymru,esemptio pobl sy'n gadael gofal rhag y dreth gyngor,cael gwared ar y gosb o ddedfryd o garchar am beidio â thalu'r dreth gyngor,safoni'r esemptiad ar gyfer amhariad meddyliol difrifol.
Over the Fifth Senedd Term, the Welsh Government introduced a number of measures to mitigate the impact of council tax liabilities on vulnerable people and households and to improve the management of council tax collection.  These measures included:the introduction of the Council Tax Protocol for Wales,the exemption from council tax for care leavers,the removal of the sanction of imprisonment for non-payment of council tax, andthe standardisation of the exemption for severe mental impairment.