Individuals and suppliers can opt to use a simple online fill in the blank form for submission to the Vendor Management team. Please attached a VOIDED check or deposit slip to verify bank details and routing number.This form must be returned to: WSU - Disbursements - Suite 4100 AAB. This application is for Individuals doing business under their SSN only. Business using a Federal Employer Identification. A list of subcontractors and suppliers on the contractor's letterhead must be submitted to the Vendor Compliance office. All insurance policies must name the. (i) The Company further covenants and agrees to complete "IDA Appointment of. Designated website address. Submission Protocol.