(a) You must notify FMCSA of any changes or corrections to the information in Section A of Form MCSA-1--FMCSA Registration/Update (USDOT Number--Operating Authority Application), or the Form BOC-3, Designation of Agents-Motor Carriers, Brokers and Freight Forwarders, during the application process or while you have a Certificate of Registration. You must notify FMCSA in writing within 30 days of the change or correction.
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