Approval Details

Valid E.O.


This Executive Order approved the specified parts on on August 15, 1978.
As of Friday, April 19th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

1978 and older naturally aspirated gasoline vehicles EXCEPT with: (1) fuel injection (2) engines < 140 CID

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-83
  • Executive Order 83 / D83
  • ARB # D-83
  • Executive Order No: D-83
  • C.A.R.B. No. D-83
  • Resolution D-83
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-83 PDF

D-83 Document:

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