7 canlyniad
Rhestrir y canlyniadau yn ôl perthnasedd.
Cymraeg: pŵer trethu
Saesneg: tax-raising power
Cymraeg: Sefydliad Siartredig Trethu
Saesneg: Chartered Institute of Taxation
Saesneg: Revenue Scotland and Tax Powers Act 2014
Cymraeg: sylfaen drethu
Saesneg: tax base
Cymraeg: sylfaen drethu
Saesneg: tax base
Cymraeg: sylfaen drethu
Saesneg: tax base
Cymraeg: beic cwad heb ei drethu
Saesneg: untaxed quad bike