is stored by certproc exe in the certificate processor 116 there is a customer server 34 at the buyer 39 s location this system 12 is responsible for encrypting and sending edi requests to suppliers for notifying the bank server 18 of billable transactions and of sending messages to the bank ach authorizing payment of invoices in the last case the payment clearing server takes the message and translates the encrypted message from calls to smtp mail and routes it to the bank 39 s server 18 which translates the smtp mail back into edi format and normal bank ach processing continues edi forms 997 and 824 are generated and sent back to bank server translates the smtp mail back to com calls and forwards it to the customer server 34 the bank server 18 decrypts the message and logs the transaction there are no manual processing procedures built into the bank server workflow however there are exception handling procedures that are handled manually such processes handle message routing exceptions e g when no edi 997 i e functional acknowledgment is received from the bank 39 s ach in such cases the operator will be notified after a predetermined period of time and requested to re send the message after checking with the bank due to the use of electronic mail as the transport vehicle to and from the bank 39 s ach this procedure is in place for message failures a transaction or server counter 52 and billing module for the service bureau 48 is provided manual input occurs when a new customer is set up and the transaction rates which have been agreed to by contract with the customer are entered into.