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The Event Checksum Calculation describes the individual items to be included in the calculation. Number 9 says "CMV Number." Is this the CMV VIN or the CMV Power Unit Number?

FMCSA showed a CMV number, as an example, in the header output file. The intent was to allow an additional vehicle identification number if an operator had numbered vehicles and chose to add company-assigned numbers to the CMV header data.

Last Updated : September 8, 2016
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