eRFIC Supplier Forms


These forms contain Personally Identifiable Information (PII) when filled out. Do not store the filled-out forms on your computer. Do not email or transmit via the internet. Please return the completed forms to your Berkeley Lab contact via fax or traditional mail. Store the completed forms in a safe place or destroy if possible.


W-9 Forms (Domestic Only):


W-8BEN Forms:


Payment Forms:


Please Note:


Berkeley Lab cannot provide tax assistance to suppliers. Please consult your tax advisor if you need assistance in completing the required forms.

All Domestic vendors are subject to IRS TIN Matching.