Relevant authorities are also expected to consider other national and local policies and non-statutory guidance when deciding the relative importance of each of the criteria.
Disgwylir hefyd i awdurdodau perthnasol ystyried polisïau cenedlaethol a lleol a chanllawiau anstatudol eraill wrth benderfynu ar bwysigrwydd cymharol pob un o’r meini prawf.