Patent ID: 8407124

Claim:
A method for use in a system that includes a server, a supplier system, a buyer system, a first account management system (FAMS), and a second account management system (SAMS), the method comprising: receiving, by the server, an electronic invoice associated with an identification (ID) code from the supplier system; registering, by the server, the electronic invoice in a database; transmitting, by the server, information that defines a Graphical User Interface (GUI) screen to the buyer system to show the contents of the electronic invoice, receiving, by the server from the buyer system, approval of the electronic invoice; transmitting, by the server, a transfer request message associated with the ID code to the FAMS in response to the received approval; wherein the FAMS is configured to execute payment to the SAMS using the ID code, in response to receipt by the FAMS of the transfer request message; wherein the SAMS configured, to send an electronic deposit statement associated with the ID code to at least one of the server and the supplier system, wherein the electronic deposit statement indicates that payment has been received at the SAMS; and wherein at least one of the supplier system and the server is configured to settle the electronic invoice using the ID code.