Approval Details

Valid E.O.


This Executive Order approved the specified parts on on June 2, 1993.
As of Thursday, July 25th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

1993 and older model-year diesel fueled vehicles

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-320
  • Executive Order 320 / D320
  • ARB # D-320
  • Executive Order No: D-320
  • C.A.R.B. No. D-320
  • Resolution D-320
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-320 PDF

D-320 Document:

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