Fel rhan o Gytundeb Gŵyl Dewi 2015, dywedodd Llywodraeth y DU y byddai’n rhoi pwerau i Lywodraeth Cymru i gyhoeddi bondiau ar gyfer buddsoddi cyfalaf, ar ben y pwerau benthyca cyfalaf a nodir yn Neddf Llywodraeth Cymru 2016.
As part of the 2015 St David’s Day Agreement, the UK Government said it would give the Welsh Government the powers to issue bonds for capital investment, in addition to the capital borrowing powers set out in the Government of Wales Act 2006.