| Circular Number | Circular Title | Summary | State(s) |
| LI-CA-2026-028 | PENNSYLVANIA REVISION OF COMMERCIAL AUTOMOBILE LIABILITY INCREASED LIMIT FACTORS FILED | ISO announces a revised increased limit factors change of -0.2% for commercial auto in Pennsylvania. ISO cautions the filing has not yet been implemented. The changes are applicable to policies written on or after August 1, 2026. | PA |

