Do I need a BOC-3 for intrastate trucking?
No. The federal BOC-3 rule (49 CFR Part 366) only applies to entities with FMCSA interstate operating authority. Pure intrastate carriers operating under state authority and never crossing state lines do not need a BOC-3 with the FMCSA.
The trigger for BOC-3 is FMCSA registration — specifically holding (or applying for) interstate operating authority via Form OP-1, OP-1(P), or OP-1(FF). If your USDOT shows "INTRASTATE" only and you have no MC number, the federal BOC-3 requirement does not apply.
There are two important caveats. First, several states require their own intrastate process-agent designation under state law (e.g. California intrastate motor-carrier permits, New York intrastate authority). Those are state-level filings, not federal BOC-3.
Second, the moment you accept a single interstate load — even one trip across a state line — you cross into FMCSA jurisdiction and need both interstate operating authority and a BOC-3 on file before that trip. Carriers who plan to scale into interstate work later often file the BOC-3 + MC application together to avoid the activation gap.
For carriers genuinely staying intrastate forever, the federal answer is no. For everyone else, the BOC-3 is a one-time $75 filing that lets you flip into interstate operations the day the MC activates.