Yr haf diwethaf, cyfrannodd pobl ledled Cymru eu syniadau ar gyfer trethi Cymreig newydd - rhan o drafodaeth genedlaethol a ddechreuais fel ffordd o brofi pwerau newydd o dan Ddeddf Cymru 2014, sy'n ein galluogi i gyflwyno trethi newydd mewn meysydd o gyfrifoldeb datganoledig.
Last summer, people across Wales contributed their ideas for new Welsh taxes – part of a national debate I started as a means of testing new powers under the Wales Act 2014, which enable us to introduce new taxes in areas of devolved responsibility.