It was also argued by interviewees that the Welsh Government needs to legislate to ensure adequate expertise in local authorities, rather than only providing unenforceable guidance.
Roedd y canllawiau hefyd yn dweud y dylai awdurdodau lleol arfer eu barn broffesiynol wrth benderfynu a oedd cyswllt rhithiol yn ddigon ystyrlon i gael ei gofnodi.