| Circular Number | Circular Title | Summary | State(s) |
| SY-AA-2026-002 | VEHICLE SYMBOLS AND RELATED INFORMATION DEVELOPED | ISO provides updated symbol information for many 2026 vehicle makes and models, and a few 2025 makes and models. | All except Hawaii, Puerto Rico |
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Circular Tracker 1-27-26
A summary of the ISO Circular for January 27, 2026. Circulars provide a wide variety of information from form changes to rules, loss costs, experience reviews, and other information.
FC&S Editors | January 27, 2026