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As of Saturday, April 20th, 2024 this Executive Order has not been overturned or superceeded. Warning: This Executive Order record has not yet been synced with arb.parts system.

This Executive Order may be listed as:
  • C.A.R.B.E.O. B-21
  • Executive Order 21 / D21
  • ARB # B-21
  • Executive Order No: B-21
  • C.A.R.B. No. B-21
  • Resolution B-21
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 B-21 PDF

B-21 Document:

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