1) How to send PIP 0A1 to trading partner. Is any sample PIP 0A1 xml available.You may generate a sample XML from PIP0A1 XSD/DTD using any XML editor or JDeveloper. You may use Oracle B2B document editor to generate PIP 0A1 XSD.
2) How to handle PIP 0A1 on HOST system. (This system is waiting for PO Acknowledment, How to configure to handle PO Ack and PIP 0A1)Configure the PIP 0A1 document and create an agreement for it (same as any other RosettaNet doc). At runtime B2B will automatically correlate it with corresponding request and process it accordingly.