| Circular Number | Circular Title | Summary | State(s) |
| AM-CM-2026-004 | AD HOC COMMERCIAL INLAND MARINE PANEL MINUTES ATTACHED | ISO provides the minutes for the Ad Hoc Commercial Inland Marine Panel teleconference meeting that took place on May 5, 2026. | All |
| LI-DP-2026-038 | DELAWARE DWELLING REVISED ADVISORY PROSPECTIVE LOSS COSTS APPROVED | ISO announces revised loss costs representing a -4.5% change in the state of Delaware has been approved by the state Insurance Department. | DE |
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Circular Tracker 5-20-26
A summary of the ISO Circular for May 20, 2026. Circulars provide a wide variety of information from form changes to rules, loss costs, experience reviews, and other information.
FC&S Editors | May 20, 2026