Yn dilyn cadarnhad y Goruchaf Lys bod fy nghais i gymryd rhan yn achos apêl y mater uchod wedi'i ganiatáu, rwy'n cyhoeddi ar ba sail yr oeddwn yn gwneud y cais hwnnw.
In light of the Supreme Court’s confirmation that my application to intervene in the appeal of the above matter before it has been granted, I am publishing the grounds on which that application was made.