Services Commissioned in Sessions/Days (Non-Residential charging) – charge the actual sessions/days received including the commencement day (see 4 for definition of sessions)
Gwasanaethau a Gomisiynir mewn Sesiynau/Dyddiau (Taliadau Dibreswyl) – codi tâl am y sesiynau/diwrnodau gwirioneddol a dderbyniwyd gan gynnwys y diwrnod dechrau (gweler 4 am ddiffiniad o sesiynau)