Approval Details

Valid E.O.


This Executive Order approved the specified parts on on October 16, 2007.
As of Sunday, May 28th, 2023 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModelsRemarks

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-623
  • Executive Order 623 / D623
  • ARB # D-623
  • Executive Order No: D-623
  • C.A.R.B. No. D-623
  • Resolution D-623
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-623 PDF

D-623 Document:

Current View

| Previous E.O. D-622 | Next E.O. D-623-1 | Next E.O. D-624