metalink 上有相关记录：
RECOVERY RATE ISSUE IN PO PROCESSING = This bug explains the issue as below: Autocreated purchase order loosing the tax recovery rate defined on requisition distributions when no tax code defined on requisition distribution. . The issue happens only on the first PO distribution when multiple requisition lines are grouped into a single po shipment using autocreate grouping option Default. the other PO distributions gets the recovery rate defaulted from the req distribution.
