Before you can begin processing payment to you Suppliers using the ABA Option the basic requirements are as follows:-
1. Under Admin - My Office - Select Branches
2. Select Edit Bank Information
Next - make sure you enter ALL of the information required in this form, you will need to contact your Bank to arrange the option for uploading ABA files to your Online Banking System
Make sure you request the Bank Entry Code Required for this process - enter that info in the appropriate field

The Final Element required for ABA processing is to Update your Suppliers profiles in VTO to accommodate ALL of the banking information related to your Supplier

Please refer to the ABA section in this help file for processing information