Approval Details

Valid E.O.


This Executive Order approved the specified parts on on September 15, 1998.
As of Tuesday, April 23rd, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

1994 and older vehicles equipped with a gasoline powered engine.Cylindrical shaped aluminum device designed for installation on the vehicle's fuel line

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-463
  • Executive Order 463 / D463
  • ARB # D-463
  • Executive Order No: D-463
  • C.A.R.B. No. D-463
  • Resolution D-463
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-463 PDF

D-463 Document:

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