Abstract: A method and apparatus for validating, correcting and reconciling purchase orders. In one embodiment, each line item of the purchase order is validated to ensure that it corresponds to an item offered by the supplier. Each line item can be compared to known errors and the erroneous part number replaced with a correct part number. Line items can be modified in accordance with a set of rules. The supplier can be notified of an invalid line item in a purchase order and can correct the invalid line item either before or after the purchase order is received by the supplier. Corrections performed by the supplier can be used to add to the set of rules to be used to process succeeding purchase orders. An electronic catalog of the buyer can be updated after buyer review to correct erroneous part numbers and other related information from various sources.

Abstract: A method and apparatus for validating, correcting and reconciling purchase orders. In one embodiment, each line item of the purchase order is validated to ensure that it corresponds to an item offered by the supplier. Each line item can be compared to known errors and the erroneous part number replaced with a correct part number. Line items can be modified in accordance with a set of rules. The supplier can be notified of an invalid line item in a purchase order and can correct the invalid line item either before or after the purchase order is received by the supplier. Corrections performed by the supplier can be used to add to the set of rules to be used to process succeeding purchase orders. An electronic catalog of the buyer can be updated after buyer review to correct erroneous part numbers and other related information from various sources.