| Circular Number | Circular Title | Summary | State(s) |
| CI-AA-2026-002 | JANUARY 2026 CIRCULAR INDEX RELEASED | ISO provides a list of all the circulars issued during January 2026. | All |
| LI-AL-2026-003 | NOTICE TO MANUALHOLDERS REPORT – JANUARY 2026 | ISO provides the notice of manualholders report, an updated listing of the latest revision numbers as of January 2026. | All |
| LI-CA-2026-035 | PENNSYLVANIA REVISION OF COMMERCIAL AUTOMOBILE LIABILITY INCREASED LIMIT FACTORS APPROVED | ISO announces the Pennsylvania insurance department has approved revised increased limit factors representing a -0.2% change. The changes are applicable to all policies written on or after August 1, 2026. | PA |
| LI-CM-2026-001 | COMMERCIAL INLAND MARINE EXPERIENCE REVIEWED BY STAFF | ISO provides a summary of preliminary indications and staff decisions on the commercial inland marine experience review, based on experience through December 31, 2024. | All |
| SY-AA-2026-004 | NEVADA PERSONAL AUTO SYMBOLS FILING PP-2024-OSY4 APPROVED | ISO announces Nevada filing PP-2024-OSY4 has been approved by the Nevada DOI. | NV |
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Circular Tracker 2-4-26
A summary of the ISO Circular for February 4, 2026. Circulars provide a wide variety of information from form changes to rules, loss costs, experience reviews, and other information.
FC&S Editors | February 04, 2026