California Air Resources Board

CARB-eFILE Account(s) for New and Existing Manufacturers

To obtain a CARB-eFILE account, manufacturers shall submit a request with the following applicable documents. For new manufacturers, please email the request to corresponding vault administrator(s) and eFILE@arb.ca.gov. For existing manufacturers, please email the request to your assigned CARB Staff and copy eFILE@arb.ca.gov.

1. A letter of intent (LOI) from the manufacturer stating its intent to obtain certification. (Required for new manufacturers or existing manufacturers requesting to certify additional categories)
    
2. An electronic signature letter (SIG LTR) following the guidelines established in ECCD-2022-03.
      
3. A completed Excel contact sheet (Format Revised 3-28-2022). If a consultant is used, the “EO” contact cannot be a consultant. Each manufacturer is allowed up to three CARB e-file accounts per vault.

4. Copy of receipt for application from the EPA, stating the EPA manufacturer code. (Required for new manufacturers and existing manufacturers requesting name change)

5. Shipping tracking number of hard copies of the LOI and SIG LTR.

          Please address the “Letter of Intent” and the “Electronic Signature Letter” to:

          Ms. Robin U. Lang, Chief
          Emissions Certification and Compliance Division
          California Air Resources Board
          4001 Iowa Ave.
          Riverside, California 92507

          Attn. LOI and SIG LTR for CARB-eFILE

Once a complete request is received, CARB will review the documents and process the account request.

It is the manufacturer’s responsibility to update all contact information and notify CARB of changes in a timely manner. To report these changes, submit a request and include the applicable updated documents.