The following schedule should be referenced so that you can stay in compliance and keep your information updated with the Federal Motor Carrier Safety Administration.
- Before it begins operations
- Prior to the time that an update is due
- Whenever there is a change in information (address, telephone number, email, # power units, etc.)
- Every 24 months, according to the following schedule based on last digit of DOT number:
Biennial Update for DOT Number https://ask.fmcsa.dot.gov/app/answers/detail/a_id/122/~/when-am-i-required-to-file-a-biennial-update%3F