| Circular Number | Circular Title | Summary | State(s) |
| AM-GL-2026-004 | GENERAL LIABILITY PANEL AGENDA ATTACHED | ISO provides the agenda for the General Liability Panel meeting to be held on November 5, 2026, at 1 PM EDT. | All |
| CE-AA-2026-008 | PROPERTY/CASUALTY INSURANCE INDUSTRY FINANCIAL RESULTS: FIRST-HALF 2026 ANALYSIS | ISO provides a report analyzing the property/casualty insurance industry's financial performance through the first half of 2026. The report includes analyses of underwriting results, investment gains and changes in surplus. | All |
| LI-MT-2026-071 | MOTORCYCLE RATING CODES UPDATED INFORMATION | ISO provides motor rating code information for new motorcycle types, available through VINMASTER Motorcycle. The circular contains new or revised information for certain 2025 through 2027 model year motorcycles. | All |
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Circular Tracker 10-21-26
A summary of the ISO Circular for October 21, 2026. Circulars provide a wide variety of information from form changes to rules, loss costs, experience reviews and other information.
FC&S Editors | October 21, 2026