wichita.edu
…vouchers (agency payment vouchers (APV) and business procurement card (BPC) vouchers), travel reimbursement documents, and all supplemental documentation, including invoices and vendor certification forms, such as Form W-9, W-8BEN, and W-8BEN-E. Refer to KSU Policies 3433 and 6115 for guidance concerning protected information.Retain 5 fiscal years then…
https://www.wichita.edu/about/policy/records_retention_schedule.php