The extract is usually taken 3 days after the end of the reporting period in order to capture follow-up activity relating to cases referred towards the end of the reporting period.
Fel arfer, cymerir y darn 3 diwrnod ar ôl diwedd y cyfnod adrodd er mwyn dal gweithgarwch dilynol sy'n ymwneud ag achosion a gyfeiriwyd tua diwedd y cyfnod adrodd.