Billing Address

resent Invoices to:

Duke Corporate Accounts Payable
Box 104131
Durham, NC 27708

Invoice Requirements

Invoices received must comply with University guidelines and fulfill purchase order requirements before being processed for payment. The invoice must reference a valid purchase order.

  • Invoice image must reference a valid 10-digit Duke purchase order number.
  • Duke does not pay sales tax on invoices. If the invoice includes sales tax, it is deleted from the invoice total. 
  • Payments cannot be processed from vendor statements, quotes, or order confirmations; an invoice is required. 
  • Invoices are processed as net 30 (from the vendor invoice date) unless a prompt payment discount is offered.

Emailing Invoices

Invoices can be emailed to: VendorInvoice@duke.edu

The following guidelines must be followed when emailing invoices:

  • All invoice images must be submitted in PDF format.
  • One PDF per email is the preferred method for all inbound emails.
  • Submit no more than 25 invoices (separate PDF's) per e-mail.
  • A separate PDF for each invoice is required.
  • The PDF cannot be secured or protected, or the upload will fail.
  • The PDF file name must not contain any special characters (only ALPHA NUMERIC) and cannot exceed 20 characters in length.
  • Invoice images cannot be embedded in the body of the e-mail.
  • Please do not submit an invoice to this address more than once.
  • Zip files should not be submitted as they will fail.
  • Invoice image must reference a valid 10-digit Duke purchase order number.
  • All emails sent must have an attachment.
  • The PDF Invoice image must contain all pages; partial invoice copies are not accepted
  • The PDF Invoice image must be legible.
  • Encrypted or password protected PDF attachments should not be submitted.  Please make sure these features are disabled before sending.  These documents will cause the email to fail.
  • Only invoices should be submitted for payment.  Quotes, packing slips, statements, order acknowledgments, pro-forma invoices, estimates, etc., are not used to process payments through Accounts Payable.
  • The new email address should NOT be used for general correspondence or inquiries by either vendors or departments. Past due invoices, vendor statements, questions, concerns, notifications, etc., are to be submitted to the Accounts Payable customer service email address: AccountsPayable@duke.edu

Checks

  • Checks are issued twice a week, on Monday and Wednesday. The SAP system generates an EDI transmission of check information and sends it to Duke's banking institution. Checks are printed in batches by our banking institution and mailed the following day.
  • A stop payment is issued for checks that have been lost. A check must be 30 days old before a stop payment is issued on the check.