Glossary · Operating Authority & Compliance
EIN.
Employer Identification Number issued by the IRS to identify a business entity for tax purposes; required for most trucking authority filings.
What it is
An EIN — Employer Identification Number, also called Federal Tax ID — is the 9-digit identifier issued by the IRS to a business entity for tax purposes. It is formatted as XX-XXXXXXX and is free to obtain. Applications go through IRS.gov online, by fax, by mail, or by phone for international applicants.
An EIN is required for filing federal taxes as a business, opening a business bank account, hiring employees, applying for an MC#/DOT#, and applying for many state business licenses. Sole proprietors with no employees can technically use a Social Security Number in place of an EIN, but most lenders, factors, and broker counterparties require an EIN regardless of structure.
Why it matters for trucking finance
Most trucking lenders and factors require an EIN before underwriting — it separates business credit from personal credit and is the prerequisite for building Paydex (D&B) score over time. A clean Paydex unlocks better lending terms and trade-credit lines.
MC# applications increasingly expect an EIN even for sole-prop carriers. Opening a business bank account requires an EIN, and lender underwriting wants to see 90+ days of business bank statements — not commingled personal accounts. Get the EIN first; everything else is downstream of it.
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.
- Owner-Operator — Independent trucking professional who owns or leases their truck and operates under their own MC authority or as a subcontractor.
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