Besonderhede van voorbeeld: 4966291109681409353

Welsh

Mae partïon eraill yn gysylltiedig â hyn , gan gynnwys grwpiau eiriolaeth cwsmeriaid , y mae gan rai ohonynt rôl statudol , ac eraill rôl fwy anffurfiol

English

Other parties are involved , including consumer advocacy groups , some of whom have a statutory role , and some of whom have a more informal role