the SAB’s failure to determine your application within the prescribed period, normally 7 weeks from validation (12 weeks if the application includes an Environmental Impact Assessment).
methiant y SAB i benderfynu ar eich cais o fewn y cyfnod rhagnodedig, fel arfer 7 wythnos ar ôl dilysu (12 wythnos os yw'r cais yn cynnwys asesiad o'r effaith amgylcheddol).