Approval Details

Valid E.O.


This Executive Order approved the specified parts on on January 20, 1999.
As of Monday, May 27th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

1994 and older vehiclesCylindrical shaped device spliced in the vehicle's fuel line.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-472
  • Executive Order 472 / D472
  • ARB # D-472
  • Executive Order No: D-472
  • C.A.R.B. No. D-472
  • Resolution D-472
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-472 PDF

D-472 Document:

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