The compliance date for this requirement (49 CFR 390.19) occurred November 1, 2013.
Filing schedule: Each motor carrier or intermodal equipment provider must file the appropriate form at the following times:
If your USDOT Number ends in:
Must file by last day of:
If the next-to-last digit of its USDOT Number is odd, the motor carrier or intermodal equipment provider shall file its update in every odd-numbered calendar year. If the next-to-last digit of the USDOT Number is even, the motor carrier or intermodal equipment provider shall file its update in every even-numbered calendar year.
You can file a biennial update prior to the time that an update is due. FMCSA considers any update of an MCS-150 or MCS-150C that was completed by a motor carrier, Intermodal Equipment Provider (IEP), or carrier that has been issued a Hazardous Materials Safety Permit (HMSP) at any time during the 12 months immediately preceding the biennial update due date to satisfy the biennial update requirement.