| CPC G06Q 30/0633 (2013.01) | 15 Claims |

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1. An electronic invoicing system for providing a distributed network to provide for remote submission and processing of both purchase order (“PO”) based electronic invoices and electronic invoices not associated with a PO or transaction receipt and to cause an accounts payable system to effect payment of approved invoices, the electronic invoicing system comprising:
one or more processors; and
a memory, coupled to the one or more processors, having stored code that when executed by the one or more processors causes the electronic invoicing system to perform operations comprising:
providing a portal, said portal having respective views for a:
(i) supplier submitting non-PO based type electronic invoices not associated with either a purchase order or transaction receipt and submitting PO based electronic invoices; and
(ii) a user of the portal for submitting, reviewing, or both submitting and reviewing electronic invoices;
enabling configuration of processing parameters specific to said non-PO based electronic invoices not associated with either a purchase order or matching transaction receipt;
receiving configurations to configure customized invoice types and to define discrepancy tolerances between data elements in each invoice and data elements in the purchase order based and non-PO based invoices;
automatically processing a submitted non-PO based electronic invoice of a configured electronic invoice type for payment to effect payment of the non-PO based electronic invoices in accordance with said processing parameters configured by said administrator for said electronic invoice type, wherein automatically processing includes utilizing configured rules, including programmed invoice payment control algorithms, including determining whether the data elements are within the tolerances, for detecting potentially fraudulent non-PO based electronic invoices and, in addition to detecting potentially fraudulent non-PO-based electronic invoices, routing the non-PO based electronic invoices for approval; and
passing approved, submitted PO based electronic invoices to an accounts payable system to effect payment of the PO based electronic invoices.
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