A motor carrier’s federal identification record can help connect a USDOT number to names, addresses, operation classifications, cargo categories, reported equipment, driver counts, mileage, and an update date. The record is a useful identity source, but it is only one dated filing in a larger carrier-and-trip record.

An MCS-150 is a motor-carrier identification filing for a stated date; it is not a complete trip record and does not by itself establish ownership, operating authority, insurance, employment, or crash responsibility.

Preserve the source and lookup date

  • USDOT number used in the search and every company name or number shown on the truck, trailer, cab card, crash report, shipping record, or photograph
  • Source system, requested URL, access date and time, displayed filing or update date, report type, page count, and exported or printed copy
  • Current snapshot kept separate from a historical filing, prior company name, corrected record, or later update
  • Unknown, inactive, out-of-service, missing, mismatched, or duplicated identifiers preserved as questions rather than silently resolved

Read the identity fields exactly

  • Legal business name and doing-business-as name, including suffix, punctuation, abbreviation, and spelling
  • Principal place of business, mailing address, telephone information, and other contact fields shown in the available record
  • USDOT number, MC or MX number when listed, and any other identifier kept in its own column
  • Reason for filing and the filing, update, effective, or display date identified without assuming they are the same

The FMCSA MCS-150 page describes the MCS-150 as a Motor Carrier Identification Report used by motor carriers and other registrants to update an existing USDOT-number company record, commonly for the biennial update. The current form and instructions identify the fields and filing choices; use the version applicable to the date being examined.

Separate operations, classifications, and cargo

  • Interstate or intrastate and hazardous-material or non-hazardous-material operation boxes copied without converting the selection into a conclusion about the crash trip
  • For-hire, private, passenger, government, mail, or other operation classification recorded as filed
  • Cargo classifications copied individually, including an “other” description when provided
  • Reported power units, drivers, mileage, mileage year, and other counts tied to the filing date rather than treated as a live fleet inventory

Check the update requirement and record history

49 C.F.R. § 390.19 addresses motor-carrier identification reports and updates, including the circumstances and schedule stated in the current regulation. Determine which requirement applied to the entity and period. A stale displayed date may prompt further inquiry, but it does not prove what equipment, drivers, cargo, or control existed on a particular trip.

  • Current record compared with archived filings, carrier correspondence, registration changes, merger or acquisition documents, and name or address history
  • Power-unit, driver, and mileage changes compared by filing date rather than averaged across versions
  • Out-of-business, reactivation, revocation, reinstatement, or correction entries identified through their own records
  • Source limitation recorded when only the current public snapshot is available

Do not use one filing to answer every carrier question

  • Vehicle ownership checked through title, registration, lease, cab card, and equipment records
  • Operating authority checked through the applicable licensing-and-insurance record and effective dates
  • Insurance checked through policy, endorsement, insurer, filing, and coverage records rather than an MCS-150 label
  • Driver relationship and trip control examined through employment, contractor, dispatch, trip, settlement, and communication records
  • Cargo, shipper, broker, freight forwarder, motor carrier, registrant, and equipment owner kept as potentially different roles

Build an identity comparison table

  • Field, exact MCS-150 value, filing date, current displayed value, matching source, conflicting source, and unresolved difference
  • Normalized company name or address retained alongside the original text, never in place of it
  • Each identifier connected to the source page, photograph, record custodian, and relevant time period
  • Conclusion limited to what the filing states, with ownership, authority, insurance, control, and liability left for separate analysis

The related guide to reading an interstate truck cab card after a crash explains the vehicle-registration fields that belong to a different record and why a cab card should not be treated as a substitute for the carrier filing.

Rosensteel Fleishman Car Accident & Injury Lawyers provides general record-review information for people who may later consult a Charlotte truck accident lawyer. Regulatory scope, carrier identity, authority, insurance, control, preservation, and legal responsibility require current law and the complete source set.

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