Welcome to Accounts Payable


Accounts Payable (AP) ensures timely payment of all supplier and non-payroll related employee payment requests. Accounts Payable maintains a strong system of controls to ensure that proper authorization and documentation is received before payments are made.


Vendors (Suppliers): 

  • Please submit your invoice as an attachment (PDF, Word, no embedded links) to apinvoice@lbl.gov
  • On your invoice be sure to include: 
  • LBNL Purchase Order Number (seven digit number starting with #6 or #7 i.e. PO700000)
  • Unique Invoice Number
  • Invoice Date
  • Remittance Address

Please also refer to your original subcontract for invoice submission requirements.


Berkeley Lab Certifiers:

Berkeley Lab Employees:

Berkeley Lab Buyers:


General AP Help: