Carnegie Mellon University

Accounts Payable

Accounts Payable (AP) processes payments to vendors, faculty, staff and students in a courteous, timely and professional manner. AP provides excellent customer service and ensures compliance with the policies and procedures of the university. 

Electronic payments are processed weekly for suppliers, business and travel expense reports, non-qualified scholarship and other payments per the designated day for each CMU location:

  • Monday:  Australia and Rwanda
  • Tuesday:  Qatar
  • Thursday: U.S.

Form Submissions


PayDocs are payment forms required to be completed and submitted to Accounts Payable to generate a payment without a purchase order (PO) and should be submitted to

Supplier Onboarding and Maintenance

Supplemental Supplier Forms should be submitted to Do not submit supplier payments to this address.
New and existing university vendors/suppliers are required to register and
create/maintain a profile in PaymentWorks. See the Vendor/Supplier
Onboarding page for more information.


All invoices with a purchase order (PO) number should be submitted to

Expected Processing Times and Service Level Agreements (SLAs)

PayDoc Forms and Non-Employee Expense Reports

  • Domestic payees: 5 business days
  • International payees: Up to 14 business days

Supplier Forms/PaymentWorks Onboarding and Maintenance Platform

3 weeks

Purchase Order Invoice

7 business days

AP Help Inbox 

48 hours

Accounts Payable Location

Mailing Address 

Accounts Payable, DMC110
Carnegie Mellon University
5000 Forbes Ave.
Pittsburgh, PA  15213-3815

Physical Location

Carnegie Mellon University Finance Division
Bakery Office Three
6501 Living Place Suite #4000
Pittsburgh, PA 15206