Approval Details

Valid E.O.

Validity

This Executive Order approved the specified parts on on April 19, 1974.
As of Wednesday, August 4th, 2021 this Executive Order has not been overturned or superceeded.

Approved Parts

Models
1974 and older vehicles with engines > 140 CID

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-28
  • Executive Order 28 / D28
  • ARB # D-28
  • Executive Order No: D-28
  • C.A.R.B. No. D-28
  • Resolution D-28
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-28 PDF

D-28 Document:

Current View

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