System Response
It is not possible to save a purchase order item linked to a downpayment chain (DPC) contract with down payment and/or retention valuesin the purchasing area.

Procedure
The purchase order document category used allows you to create a downpayment chain contract for service items. The DP Chain tab atitem level is created correctly.
In this case, make the following settings:

• On the Payment Processing tab page at header level of the
purchase order, choose:
Retention # Not applicable
DP Category # No Down Payment

• On the Invoice tab page at item level of the purchase order,
choose:
DP Category # No Down Payment
Use either a down payment chain or a down payment and/or retentionvalues in a purchase order document.