Schedule 3 to the FWMA 2010 also places a duty on local authorities as SuDS Approving Body to approve, adopt and maintain systems compliant with section 17 of the Schedule.
Mae Atodlen 3 FWMA 2010 hefyd yn gosod dyletswydd ar awdurdodau lleol fel Corff Cymeradwyo SDCau i gymeradwyo, mabwysiadu a chynnal systemau sy’n cydymffurfio ag adran 17 yr Atodlen.