Invoicing and Payments

Invoice Submission

  • Vendor invoices can be submitted by email to
  • To ensure timely payment, please reference the correct eight-digit purchase order (PO) number on invoices and all related documents. Payment for invoices without PO numbers may be delayed.
  • If your invoice is not associated with a PO and is under $5,000, please contact the University department you are working with to inquire about having the invoice paid with a DU purchasing card (P-Card).
  • Vendors must be registered with DU in order to be paid, unless being paid by Purchasing Card.
  • Payment Inquiries

To inquire about the status of an invoice, please contact the University Financial Services Payment Team at Remember to attach a copy of the invoice and reference the purchase order (PO) number for faster service.