| Circular Number | Circular Title | Summary | State(s) |
| SY-AA-2026-011 | VEHICLE SYMBOLS AND RELATED INFORMATION DEVELOPED | ISO provides updated symbol information for the listed 2027 and 2026 makes and models. | All except Hawaii, Puerto Rico |
| LI-HO-2026-152 | ADVISORY SAMPLE NOTICES TO POLICYHOLDERS CORRESPONDING TO THE CREDIT-BASED INSURANCE SCORE RATING RULE FURNISHED | ISO provides advisory sample notices corresponding to the credit-based insurance score rating rule filing. | All |
| LI-PA-2026-134 | DELAWARE PERSONAL AUTOMOBILE INCREASED LIMIT FACTORS REVISION FILED | ISO announces revised increased limit factors revision representing a 2.7% overall change for Delaware personal automobile has been filed. The changes are applicable to all policies written on or after January 1, 2027. | DE |
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Circular Tracker 6-2-26
A summary of the ISO Circular for June 2, 2026. Circulars provide a wide variety of information from form changes to rules, loss costs, experience reviews, and other information.
Ray Sugrim | June 02, 2026