Accounts Payable

Services provided by the Accounts Payable Department include authorization of payments to vendors and other third parties for purchases made through either the formal procurement system or those approved for payment by an authorized representative.

Accounts Payable provides cost and commitment data to the SAP system in compliance with applicable company policies, procedures, and federal laws, striving to meet the highest standards in quality and customer satisfaction.

Accounts Payable offers the Vendor Account Status System (VASS) to assist vendors and other customers with questions concerning payment activity. VASS is available 24 hours a day for status updates. The purchase order/subcontract number is required to access payment information. Your vendor PIN is available from your Sales Representative.

Subcontracted vendors may email their invoices to CNS, LLC Y-12 at For more information about Accounts Payable, please contact Rhonda Redwine, 865.241.2624:

Accounts Payable Department
Y-12 National Security Complex
P.O. Box 2009, MS 8265
Oak Ridge, TN 37831–8265