The Welsh Government provided access to our records as part of the inquiry and current and former officials and Ministers provided written and oral evidence as required.
Rhoddodd Llywodraeth Cymru fynediad at ein cofnodion ar gyfer yr ymchwiliad a darparodd swyddogion a Gweinidogion presennol a blaenorol dystiolaeth ysgrifenedig a llafar yn ôl yr angen.