You must tell the British Cattle Movement Service (BCMS) about movements within 3 days and update your herd register within 36 hours.
Mae'n rhaid i chi hysbysu Gwasanaeth Symud Gwartheg Prydain (BCMS) ynghylch unrhyw symudiadau o fewn 3 diwrnod ac mae'n rhaid i chi ddiweddaru cofrestr eich buches o fewn 36 o oriau.