| Circular Number | Circular Title | Summary | State(s) |
| LI-CA-2026-029 | COMMERCIAL AUTO 2026 MULTISTATE FORMS AND RULES REVISIONS TO BE IMPLEMENTED IN VARIOUS JURISDICTIONS | ISO announces the implementation of new commercial auto multistate and state-specific forms and rules revisions in the 32 listed jurisdictions. The changes are applicable to all policies written on or after September 1, 2026. | AK, AL, AR, AZ, CO, FL, GU, IA, ID, IN, LA, MD, ME, MN, MO, MS, NC, ND, NE, NM, NV, OH, OK, PA, SC, SD, TN, UT, WA, WI, WV, WY |
| LI-CA-2026-030 | COMMERCIAL AUTO MULTISTATE ENDORSEMENTS (EDITION 09 26) AVAILABLE | ISO provides finalized copies of the commercial auto multistate endorsements being implemented under filing CA-2025-OFR25. | All |
| LI-CF-2026-057 | COMMERCIAL FIRE AND ALLIED LINES EXPERIENCE LEVEL INDICATIONS REVIEWED BY ISO STAFF | ISO provides a summary of the COMFAL loss cost level review indications and staff decisions for the listed jurisdictions. | CO, DE, GA, MD, MA, MO, NV, NJ, NC, ND, RI, SC, SD |
| LI-GL-2026-020 | GENERAL LIABILITY 2026 PLANNING ROUNDTABLE ANNOUNCED | ISO announces the annual planning roundtable teleconference to be held on Thursday, February 19, 2026 at 11 AM EST. | All |
| LP-AA-2026-002 | LIABILITY AND PIP/MEDICAL PAYMENTS (LPMP) VEHICLE RATING PLAN: NEW VEHICLE SERIES UPDATE | ISO provides LPMP symbols for 2025 and 2026 new and renamed vehicle series. | All except HI, NC, PR |

