| Circular Number | Circular Title | Summary | State(s) |
| LI-CA-2026-420 | NEW INDICATIONS CENTER LAUNCHED FOR COMMERCIAL AUTO | ISO announces the launch of the Indications Center, a new tool designed to help interact with loss costs and experience review data. The Indications Center is currently available for commercial auto, commercial property, homeowners, general liability, and businessowners loss costs. | All |
| LI-CA-2026-421 | DELAWARE COMMERCIAL AUTO 2026 RULES REVISION APPROVED | ISO announces the approval of the 2026 commercial auto rules revision in Delaware after receiving approval from the Insurance Department. The changes are applicable to all policies written on or after March 1, 2027. | DE |

