ARBER: Air Resources Board Equipment Registration

New Regulatory requirements for TRUs begin December 31, 2022. Please see for more details.
Drayage Trucks are no longer available in ARBER. For more info contact the ARBER Helpline (888-878-2826 or


This page allows you to search for the compliance status for a Transport Refrigeration Unit (TRU). In order for your search to work, you must complete at least one of the search fields below. The search fields represent information that uniquely identifies a TRU. Partial searches are not allowed by the system.
  ARB IDN:     
  License Plate Number:   
  Railcar Reporting:   
  BIC Code:   
  Beginning January 1, 2013, California law will require freight brokers, forwarders, shippers, and receivers to only hire and dispatch TRU-equipped trucks, trailers, shipping containers, and railcars that are compliant with the in-use performance standards if the perishable load will travel on California highways or railways. Visit TRU Compliance Check Resources to view tools for carriers, brokers, forwarders, shippers and receivers. Visit to view "100 Percent-Compliant Carrier List"" based on ARBER registration data.


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The Board is one of six boards, departments, and offices under
the umbrella of the California Environmental Protection Agency.
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