Approval Details

Valid E.O.


This Executive Order approved the specified parts on on March 18, 1993.
As of Sunday, June 16th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

1993 and older model-year vehicles with gasoline or compressed natural gas powered engines

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-309
  • Executive Order 309 / D309
  • ARB # D-309
  • Executive Order No: D-309
  • C.A.R.B. No. D-309
  • Resolution D-309
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-309 PDF

D-309 Document:

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