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ISO Commercial Auto Class Plan

New class plan effective starting in early 2023

The new ISO Commercial Auto Class Plan will provide significant benefits to insurers that cover trucks, tractors, trailers, and private passenger types. It will build on both the current standard plan and enhancements featured in the Optional Class Plan.

Benefits for insurers

The new ISO Commercial Auto Class Plan provides significant lift over the current class plan, helping enable profitable growth and reduce adverse selection.


Greater segmentation

Naics Codes

NAICS codes to boost predictive value


More precise estimates of expected loss

Rating Formula

Simplified rating formula

Variable Usage

Expanded use of existing variables like age and original cost

Predictive Modeling

Designed using advanced predictive modeling techniques

Commercial Auto Class Plan timeline

Frequently asked questions

Comm Auto Class Plan Faqs

Frequently asked questions

For more information on the transition of the ISO Commercial Auto Class Plan, see our FAQ.

Learn more about the Optional Class Plan on ISOnet® (login required).

Contact Us to Learn More

Other Ways to Connect

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  • Chat Now

    Note that password resets and user information are not available through Live Chat or Email. Instead, please call the main toll-free number below.

  • Main Toll-Free: 1-800-888-4476

  • Global Toll-Free: International Access code, then 800 48977489
    When calling from the UK, please dial 00 800 4897 7489

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