By Haul Handbook editorial team· Updated Sep 2, 2026
What Iowa requires
These are the state-level rules attached to Iowa intrastate operating authority. A field reading "Not confirmed" means this guide has not confirmed that value. The note explains the gap; unknown is not evidence of absence.
- Cargo minimum
- The Iowa DOT manual states that cargo insurance must be obtained but that no proof of cargo insurance is filed with the Office of Motor Carrier Services, and it publishes no cargo dollar minimum. Only the liability and property damage certificate (Form E) is filed. No amount is recorded here rather than guessed.
Minimum liability by operation type
Review the operation-specific scope and source notes before relying on a coverage amount.
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Minimum liability by gross vehicle weight
Iowa Code 325A.6(1) adopts the federal 49 CFR Part 387 minimums for every carrier subject to chapter 325A, so the figures below match the federal filing floor rather than departing from it. 750,000 dollars is the amount for the common case, a for-hire carrier of nonhazardous property (including tow truck operations) in a vehicle rated 10,000 pounds GVWR or more. The full ladder by weight and commodity is in the weight-tier table and the operation-type table.
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Iowa Code 325A.6(1) adopts the 49 CFR Part 387 limits by reference for all chapter 325A carriers. The one statutory departure is 325A.6(2): a taxicab service with a seating capacity of under seven passengers, not operating on a regular route or between specified points, must carry at least 1,000,000 dollars of primary automobile insurance, and a city may not set a different amount.
Who files the proof of insurance
The rows identify stored proof-of-coverage filings. Confirm which filing applies to your authority and who submits it before requesting a form.
Iowa files only the liability certificate. Cargo coverage must be carried but is not filed with the state, so there is no cargo filing form. 761 IAC 524.7(1) requires the certificate or a surety bond to be on file at all times, written for a term of one year or more, and submitted electronically. Self-insurance is available where the carrier is already approved to self-insure by a federal agency, and passenger carriers with more than 25 vehicles may apply separately under 761 IAC 524.8.
The federal minimums, for contrast
Federal financial-responsibility requirements depend on the operation, vehicle and commodity. Review the rows and exclusions in 49 CFR Part 387 (property carriers 387.303, brokers and freight forwarders 387.307, endorsements 387.15), as displayed on FMCSA's insurance filing requirements page; the filing mechanics live in our BMC-91 and BMC-34 insurance filings guide.
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Where insurance fits in the Iowa launch
Coverage sits early in the sequence: the federal filing sequence needs your insurer's proof of coverage on file before authority activates, and the state rules above attach to the credential covered on the Iowa intrastate authority page. For the full order of operations, work through start a trucking company in Iowa.