Glossary
Interstate authority
FMCSA operating authority to carry freight for hire that crosses state lines, or that moves within one state as part of a longer interstate journey. Haul Handbook publishes no state-by-state page for this term, across 26 live states, checked Aug 9, 2026.
By Evan Reid, Founder of Haul Handbook · Updated Jul 19, 2026
It is the federal counterpart to state intrastate authority.
Where this term is defined
This definition follows the authority that defines the term. Read the source directly:
FMCSA, Get Authority to OperateRead more
The full guide goes past the definition into the filings, deadlines, and steps: How to get your own authority.
Related terms
Operating authority
The federal permission a for-hire carrier or broker needs to transport regulated freight or arrange it across state lines. FMCSA grants it as one or more authority types tied to a docket (MC) number, separate from the USDOT number that identifies the company.
Intrastate authority
The state-issued permission to operate for hire entirely within one state, with pickup, delivery, and travel all inside its borders. It is separate from federal interstate authority, and the requirements and agency differ by state.
Apportioned plate
A single license plate issued under the IRP that lets a commercial vehicle operate in every member jurisdiction. The registrant pays each jurisdiction a share of the fee based on the miles the fleet travels there.
Base jurisdiction
The single state or province where a carrier registers under IRP and licenses under IFTA, chosen by where the fleet is based and keeps its records. The base jurisdiction collects the fees and taxes and settles them with the other member jurisdictions.