Efallai y byddai modd eu gwahodd i ystyried opsiynau cyfansoddiadol ar gyfer Cymru yn y dyfodol , lle Cymru o fewn fframwaith Prydeinig ac Ewropeaidd , fel ffordd o agor deialog
The provisions of this Convention shall preclude neither the application of restrictions and controls imposed under national regulations on grounds of public morality, public security, hygiene or public health, or for veterinary or phytopathological reasons, nor the levy of dues chargeable by virtue of such regulationsenglishtainment-tm-I6bvByKy englishtainment-tm-I6bvByKy