| Circular Number | Circular Title | Summary | State(s) | tha Date |
| CC-AA-2025-003 | COMMUNITY MITIGATION CLASSIFICATION CHANGES EFFECTIVE JULY 1, 2025 | This circular announces the changes in community public fire protection and building code effectiveness classifications for the jurisdictions listed. These Public Fire Protection Classification (PPC) changes and the Building Code Effectiveness Grading Schedule Classification (BCEGS) changes are applicable to all policies written on or after July 1, 2025. | AL, AK, AZ, AR, CA, CO, CT, DE, FL, GA, IL, IN, IA, KS, KY, ME, MD, MI, MN, MO, MT, NE, NV, NH, NJ, NM, NY, NC, ND, OH, OK OR, PA, SC, SD, TN, TX, UT, VT, VA, WV, WI, WI | 3/24/2025 |
| LI-CA-2025-078 | PENNSYLVANIA REVISION OF COMMERCIAL AUTOMOBILE LIABILITY INCREASED LIMIT FACTORS APPROVED | The revised increased limit factors representing a -0.2% change from the increased limit factors currently in effect are approved. These changes are applicable to all policies written on or after August 1, 2025. Note: The Insurance Department has approved this revision as filed. | PA | 3/24/2025 |
| LI-DL-2025-019 | PERSONAL UMBRELLA ANNUAL ZIP CODE TERRITORY UPDATE PROVIDED | Provided is a compilation of Personal Umbrella quarterly updates of ZIP code changes through October 2024. In the near future, ISO will issue revised manual pages to include this information. | AL, AZ, FL, MD | 3/24/2025 |
| LI-FR-2025-048 | PENNSYLVANIA FARM ADVISORY PROSPECTIVE LOSS COST REVISION FILED | Revised advisory prospective loss costs representing a -13.0% change from the current loss costs have been filed. These changes are applicable to all policies written on or after August 1, 2025. This effective date applies only to those insurers who have filed their Commercial Farm loss cost adjustments to be automatically applicable to future ISO loss cost revisions. Note: This workbook is not part of the experience review document and, in states where ISO is making a filing, not part of the filing. Caution: This filing has not yet been implemented. | PA | 3/24/2025 |
| LI-MT-2025-021 | MOTORCYCLE ANNUAL ZIP CODE TERRITORY UPDATE PROVIDED | Provided is a compilation of Motorcycle quarterly updates of ZIP code changes through October 2024. In the near future, ISO will issue revised manual pages to include this information. | AL, AZ, IN, MD, MI, MS, OH, OK, UT | 3/24/2025 |
| LI-PA-2025-055 | PERSONAL AUTO ANNUAL ZIP CODE TERRITORY UPDATE PROVIDED | Provided is a compilation of Personal Auto quarterly updates of ZIP code changes through October 2024. In the near future, ISO will issue revised manual pages to include this information. | AL, AZ, FL, IN, MD, MI, MS, NV, OH, OK, UT | 3/24/2025 |