Approval Details

Valid E.O.


This Executive Order approved the specified parts on on July 16, 1990.
As of Monday, April 15th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

1990 and older model-year gasoline or diesel powered vehicles

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-204
  • Executive Order 204 / D204
  • ARB # D-204
  • Executive Order No: D-204
  • C.A.R.B. No. D-204
  • Resolution D-204
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-204 PDF

D-204 Document:

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