Glossary · Operating Authority & Compliance
BOC-3.
FMCSA filing designating process agents in every state where a carrier operates, required to activate operating authority.
What it is
The BOC-3 — "Blanket of Coverage" form 3 — is an FMCSA filing that designates process agents in every state where a for-hire interstate motor carrier or broker operates. A process agent is a person or company authorized to accept legal documents (subpoenas, lawsuits, court papers) on the carrier's behalf within a given state. The filing is not optional: FMCSA regulations under 49 CFR Part 366 require it as a condition of holding operating authority.
Most carriers do not designate process agents state-by-state. Instead, they file through a national process-agent service that covers all 50 states for a flat annual fee — typically around $50/year. The FMCSA requires a BOC-3 on file before it will activate operating authority; without one, the MC# stays inactive even if every other piece of paperwork is complete.
Why it matters for trucking finance
Skipping or losing the BOC-3 results in MC# deactivation, which immediately stops the carrier from legally invoicing interstate freight — and from factoring those invoices. Lenders treat a BOC-3 lapse as an MC# lapse for underwriting purposes; the cash-flow disruption that follows is what they actually care about.
Some factoring services bundle BOC-3 filing into their onboarding (notably TBS Factoring), making it a non-issue for first-year owner-operators. If a lender flags an MC# as inactive during underwriting, the BOC-3 status is one of the first things to verify alongside UCR and the MCS-150 biennial update.
Related terms
- MC Number (MC#) — Federal operating authority number issued by FMCSA that identifies for-hire interstate motor carriers and brokers.
- DOT Number (USDOT) — USDOT-issued registration number identifying any vehicle subject to federal safety oversight, including private and for-hire carriers.
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