If a provider remains unsatisfied about the response given by a relevant authority to their representations, then that provider may seek the involvement of the WPRU.
Os bydd y darparwr yn methu ag ymateb/cyfathrebu, cyfrifoldeb yr awdurdod perthnasol yw penderfynu a ddylid cwblhau ei asesiad o’r sylwadau a chyfleu ei benderfyniad i’r darparwr.