Payment is typically due within 30 days of the transaction date for LTT (or the end of the accounting period for the small number of LDT transactions, which are not included in this analysis).
Yn gyffredinol, mae’r eithriadau hyn oherwydd nifer fechan o ffurflenni gwerth mwy yn cyrraedd tua diwedd y cyfnod hysbysu 30 diwrnod.