| Circular Number | Circular Title | Summary | State(s) |
| LI-MT-2026-005, LI-PA-2026-013 | PENNSYLVANIA INSURANCE DEPARTMENT NOTICE 2026-01 REGARDING ACCIDENT SURCHARGE THRESHOLD UNDER REVIEW | ISO provides information on Pennsylvania law requiring the insurance department to adjust the amount of the accident surcharge dollar threshold. An increase in the threshold was approved and will be effective July 1, 2026. ISO anticipates they will have a rule revision by February 2026. | PA |
| LI-CF-2026-011 | DELAWARE SUPPLEMENT TO THE 2025 COMMERCIAL PROPERTY MULTISTATE LOSS COSTS REVISION TO ACCOMPANY SCOPES REVISION PROVIDED | ISO provides a Delaware loss costs supplement to multistate filing CF-2025-R25LC. They caution the filing has not yet been implemented. Each insurer that decides to utilize the revision is responsible for their own effective date. | DE |
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Circular Tracker 1-15-26
A summary of the ISO Circular for January 15, 2026. Circulars provide a wide variety of information from form changes to rules, loss costs, experience reviews, and other information.
FC&S Editors | January 15, 2026