Approval Details

Valid E.O.


This Executive Order approved the specified parts on on March 26, 1996.
As of Wednesday, February 28th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModels
Model #s RC-80-E, RC-400-E and R1996 and older model year on-road diesel powered vehicles

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-328-4
  • Executive Order 328-4 / D328-4
  • ARB # D-328-4
  • Executive Order No: D-328-4
  • C.A.R.B. No. D-328-4
  • Resolution D-328-4
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-328-4 PDF

D-328-4 Document:

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