Approval Details

Valid E.O.


This Executive Order approved the specified parts on on June 2, 1992.
As of Monday, April 15th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

1992 and earlier light duty vehicles listed in Exhibit A

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-257
  • Executive Order 257 / D257
  • ARB # D-257
  • Executive Order No: D-257
  • C.A.R.B. No. D-257
  • Resolution D-257
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-257 PDF

D-257 Document:

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