Mae Llywodraeth y DU wedi nodi ei chynigion ar gyfer dyfodol caffael ym Mhapur Gwyrdd Llywodraeth y DU "Transforming Public Procurement" ac mae wedi cyflwyno’r opsiwn i Lywodraeth Cymru ddefnyddio deddfwriaeth San Steffan i ddiwygio'r prosesau hynny.
The UK government has set out its proposals for the future of procurement in their green paper “Transforming Public Procurement” and presented Welsh Government with the option to use Westminster legislation to reform those processes.