| Circular Number | Circular Title | Summary | State(s) |
| LI-MT-2026-049 | MOTORCYCLE RATING CODES UPDATED INFORMATION | ISO provides motor rating code information for new motorcycle types, available through VINMASTER Motorcycle. | All |
| LI-CA-2026-219 | PENNSYLVANIA COMMERCIAL AUTO 2026 RULES REVISION BEING SUBMITTED | ISO announces the submission of the 2026 Commercial Auto rules revision in Pennsylvania. ISO cautions the filing has not yet been implemented. The changes are applicable to all policies written on or after March 1, 2027. | PA |
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Circular Tracker 6-17-26
A summary of the ISO Circular for June 17, 2026. Circulars provide a wide variety of information from form changes to rules, loss costs, experience reviews, and other information.
FC&S Editors | June 17, 2026