These powers may be applied where a local authority has failed, without reasonable excuse, to comply with any of the duties imposed by the 2002 Act.
Gellir cymhwyso'r pwerau hyn pan fo awdurdod lleol wedi methu, heb esgus rhesymol, â chydymffurfio ag unrhyw un o'r dyletswyddau a osodwyd gan Ddeddf 2002.