| Circular Number | Circular Title | Summary | State(s) |
| LI-GL-2026-180 | PENNSYLVANIA UPDATED GENERAL LIABILITY LOSS COSTS REVISION REFLECTING REVISED CLASSIFICATION STRUCTURE BEING SUBMITTED | ISO announces the submission of a Pennsylvania general liability loss costs filing revision to reflect basic limit experience review changes from the recent general liability filing. ISO cautions that the filing has not yet been implemented. The proposed effective date is April 1, 2027. | PA |
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Circular Tracker 6-12-26
A summary of the ISO Circular for June 12, 2026. Circulars provide a wide variety of information from form changes to rules, loss costs, experience reviews, and other information.
Ray Sugrim | June 12, 2026