Approval Details

Valid E.O.


This Executive Order approved the specified parts on on January 23, 1977.
As of Saturday, May 25th, 2019 this Executive Order has not been overturned or superceeded.

Approved Parts

1975 and older vehicles equipped with a conventional carburetor

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-73
  • Executive Order 73 / D73
  • ARB # D-73
  • Executive Order No: D-73
  • C.A.R.B. No. D-73
  • Resolution D-73
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-73 PDF

D-73 Document:

Current View

| Previous E.O. D-72 | Next E.O. D-73-1 | Next E.O. D-74