Is a BOC-3 the same as a power of attorney?
No. A BOC-3 is a process-agent designation under 49 CFR §366.4 — it appoints someone to accept court papers in each state. A power of attorney is a separate legal document that authorizes someone to act on the carrier's behalf in business or compliance filings. The two are different documents with different legal effect.
The BOC-3 names a registered process agent in each state where the carrier may operate. The process agent's sole function is to accept service of legal process (lawsuits, subpoenas, civil summons) and forward them to the carrier. The agent has no business authority — they cannot sign contracts or make decisions for the carrier.
A power of attorney (POA) is a private agreement between the carrier and a designated representative. It can authorize the representative to do all sorts of things — sign contracts, file paperwork, manage compliance. POAs are filed with state SOSes or as part of regulatory applications; they are not filed with FMCSA.
Carriers sometimes confuse the two because both involve "appointing someone to receive things on my behalf." The mental model that helps: a BOC-3 receives court papers (legal service); a POA receives business decisions (signing authority). Different lanes.
A single FMCSA carrier can need both: a BOC-3 covering process-agent service in every state, plus a POA giving a compliance provider authority to sign and submit FMCSA filings (BOC-3, MCS-150, OP-1) on the carrier's behalf. The POA is what lets FastBOC3 file the BOC-3 with FMCSA without a wet signature from the owner each time.