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 [email protected]
  • On your invoice be sure to include: 
  • LBNL Purchase Order Number (seven digit number starting with #6 or #7 i.e. PO 7000000)
  • Unique Invoice Number
  • Invoice Date
  • Remittance Address
  • Bill To Information (Lawrence Berkeley National Laboratory)
  • If travel costs are to be reimbursed, the required travel receipts must accompany the invoice at the time of submission

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


New AP Invoice Reports: 


Berkeley Lab Certifiers:

Berkeley Lab Employees:

Berkeley Lab Buyers: