Approval Details

Valid E.O.


This Executive Order approved the specified parts on on July 3, 1997.
As of Friday, April 19th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

1997 and older motorcycles

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-427
  • Executive Order 427 / D427
  • ARB # D-427
  • Executive Order No: D-427
  • C.A.R.B. No. D-427
  • Resolution D-427
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-427 PDF

D-427 Document:

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