Approval Details

Valid E.O.


This Executive Order approved the specified parts on on October 3, 1974.
As of Wednesday, February 1st, 2023 this Executive Order has not been overturned or superceeded.

Approved Parts

1974 and older, EXCEPT: (1) Vehicles with OE electronic ignition system (2) 66-70 vehicles with Dana or Carter NOx device using an electronic speed sensor

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-33-1
  • Executive Order 33-1 / D33-1
  • ARB # D-33-1
  • Executive Order No: D-33-1
  • C.A.R.B. No. D-33-1
  • Resolution D-33-1
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-33-1 PDF

D-33-1 Document:

Current View

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