Approval Details

Valid E.O.


This Executive Order approved the specified parts on on January 9, 1996.
As of Monday, April 15th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

1996 and older model year heavy-duty diesel powered vehicles.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-394
  • Executive Order 394 / D394
  • ARB # D-394
  • Executive Order No: D-394
  • C.A.R.B. No. D-394
  • Resolution D-394
For Free CARB Executive Order Status verification, email an image of the device Executive Order label as well as the Year/Make/Model and Test Group # of the vehicle to [email protected]

Download: Executive Order D-394 PDF

D-394 Document:

Current View

| Previous E.O. D-393 | Next E.O. D-394-1 | Next E.O. D-395