If Payables Options "Recalculate Scheduled Payments" is set to Yes, then the invoice validation will change the payment schedule based on the following: Case 1 : If Invoice IS NOT PO matched: =============================== a) The Start Date is the most recent date of the following: Invoice Date on the invoice header. Terms Date on the invoice header. Goods Received Date on the invoice header. b) The Payment Term is the Payment Term on the invoice header. Case 2 : If Invoice IS PO matched: =========================== a) The Start Date is the most recent of the following: Invoice Date on the invoice header. Terms Date on the invoice header. Goods Received Date on the invoice header, PO received date. b) The Payment Term is the most favorable of the following: Payment Term on the invoice header Payment Term on the Purchase Order. Note: If you just want to use the invoice header information to calculate the payment schedule (not the...