| Circular Number | Circular Title | Summary | State(s) |
| LI-PA-2026-242 | PERSONAL AUTO VEHICLE MANUAL MULTISTATE CLASSIFICATION FACTORS AND GENERAL RULES REVISIONS BEING SUBMITTED | ISO announces the submission of a personal auto multistate rules revision. It cautions that the filing has not yet been implemented. The proposed effective date is April 4, 2027. | All except North Carolina and Puerto Rico. |

