4.4 A body will be able to challenge the requirement upon it to comply with a particular Standard on the grounds that it considers it is not reasonable and proportionate for it to imposed on it.
4.4 Bydd corff yn gallu herio gofyniad i gydymffurfio â Safon benodol ar y sail nad yw'n ystyried ei bod yn rhesymol a chymesur ei gosod arno.