Approval Details

Valid E.O.


This Executive Order approved the specified parts on on January 29, 1993.
As of Monday, November 29th, 2021 this Executive Order has not been overturned or superceeded.

Approved Parts

1993 and older model-year vehicles equipped with gasoline or diesel internal combustion engines

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-174-3
  • Executive Order 174-3 / D174-3
  • ARB # D-174-3
  • Executive Order No: D-174-3
  • C.A.R.B. No. D-174-3
  • Resolution D-174-3
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-174-3 PDF

D-174-3 Document:

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