| Circular Number | Circular Title | Summary | State(s) |
| CC-AA-2026-011 | COMMUNITY MITIGATION CLASSIFICATION CHANGES EFFECTIVE FEBRUARY 1, 2027 | ISO provides the changes in community public fire protection and building code effectiveness classifications for the listed jurisdictions. The changes are applicable to all policies written on or after February 1, 2027. | AK, AL, AR, CA, CO, CT, DE, FL, GA, IA, IL, IN, KS, KY, MA, MD, MI, MN, MO, MT, NC, NE, NH, NJ, NV, NY, OH, OK, OR, PA, SC, SD, TN, TX, UT, VA, VT, WI, WV, WY |
| LI-CF-2026-382 | COMMERCIAL PROPERTY 2026 MULTISTATE FORMS, RULES AND LOSS COSTS REVISIONS TO BE IMPLEMENTED IN VARIOUS JURISDICTIONS | ISO announces the implementation of new and revised commercial property multistate and state-specific forms, rules, and loss costs revisions in the listed jurisdictions. The changes are applicable to all policies effective on or after July 1, 2027. | AL, AR, CO, DE, IA, IN, MD, ME, MI, MO, MT, NC, ND, NH, NM, NV, OH, OK, SD |
| LI-CF-2026-383 | COMMERCIAL PROPERTY 2026 MULTISTATE ENDORSEMENTS (EDITION 5 27) AVAILABLE | ISO provides the final copies of the multistate endorsements being implemented under forms filing CF-2026-OFR26. | All |
| LI-CF-2026-384 | ADVISORY SAMPLE NOTICE TO POLICYHOLDERS FOR THE 2026 COMMERCIAL PROPERTY MULTISTATE FORMS REVISION FURNISHED | ISO provides the advisory sample notice to policyholders that outlines revisions in the commercial property multistate forms filing. | All |
| SY-AA-2026-022 | NEVADA PERSONAL AUTO SYMBOLS FILING PP-2026-OSY5 APPROVED | ISO announces that Nevada filing PP-2026-OSY5 has been approved by the Nevada DOI. | NV |

