This visit will be made at a time when the premises are advertised or are known to be open, or when staff are known to be on the premises preparing food for sale.
Cynhelir yr ymweliad hwn ar adeg pan hysbysebir bod y safle ar agor neu pan wyddys ei fod ar agor, neu pan wyddys bod staff ar y safle yn paratoi bwyd i'w werthu.