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On the Main tab, the following fields are required: Company, Contract, Delivery Date, and Entity.
The "Purchase Order (create)" form. The Main tab
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The Customer Order field is populated automatically with the customer order if this purchase order is based on it. To populate the purchase order with the data from the customer order, click the Fill ( 
) button.
The Requisition field is populated automatically with the requisition if this purchase order is based on it. To populate the purchase order with the data from the requisition, click the Fill ( ) button.
The Basis field is populated automatically, if the purchase order is based on a document of the following types: Production Order or Quotation. You can manually select the basis document from the list (for this, click Show all from the drop-down list).
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