Mae datganoli pwerau trethu yn darparu ystod o gyfleoedd i Lywodraeth Cymru ddatblygu ymagwedd Cymru at drethu, ac mae’n gyfle i adeiladu ar rôl Cymru ym maes ailgylchu a lleihau gwastraff. Yn arbennig, cafodd y syniad o becynnu trethi gefnogaeth gref gan y cyhoedd a rhanddeiliaid yn ystod y drafodaeth ar drethi newydd.
The devolution of tax powers provides a range of opportunities for the Welsh Government to develop a Welsh approach to taxation and presents an opportunity to build on Wales’ leading role in recycling and waste reduction.  Packaging taxes in particular received public and stakeholder support during the debate on new taxes.