Approval Details

Valid E.O.


This Executive Order approved the specified parts on on December 21, 1992.
As of Monday, May 27th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

1993 and older model-year vehicles powered by gasoline, diesel, or propane internal combustion engines.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-300
  • Executive Order 300 / D300
  • ARB # D-300
  • Executive Order No: D-300
  • C.A.R.B. No. D-300
  • Resolution D-300
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-300 PDF

D-300 Document:

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