If a ‘check’ is submitted by an interested person, they will still be able to submit a ‘challenge’ (within four months) under any grounds, even if they have ceased to be an interested person.
Os cyflwynir 'gwiriad' gan berson â buddiant, bydd yn dal i allu cyflwyno 'her' (o fewn pedwar mis) o dan unrhyw sail, hyd yn oed os yw wedi peidio â bod yn berson â buddiant.