It would be great if all business matters were conducted based on trust. Vendors and suppliers would submit invoices for the exact number of hours worked or for the agreed-upon project fee.

Please ensure that the document is an invoice and not a quote, estimate, banquet order, etc. If the invoice is emailed to you, please print the invoice so that the total amount due is easy to read. If ...

Invoices should be submitted electronically to invoicesonly@northwestern.edu. If an invoice is received by a department or school directly from a vendor that includes a valid (open) PUR number, it ...

Invoices for payment may be submitted to Accounts Payable either through campus mail, electronically through Adobe Sign, or by dropping off at 217 Lane Hall during the hours of 8:00 am – 4:30 pm, ...