| Circular Number | Circular Title | Summary | State(s) |
| LI-CL-2026-008 | COMMERCIAL LINES REVISED LEAD TIME REQUIREMENTS LISTING | ISO announces they are updating the lead time requirements for states that require advance notification to policyholders. | All |
| LI-DL-2026-018, LI-DP-2026-040, LI-FD-2026-006, LI-HO-2026-149, LI-MT-2026-039, LI-PA-2026-126, LI-PM-2026-009, LI-WT-2026-001 | PERSONAL LINES REVISED LEAD TIME REQUIREMENTS LISTING | ISO announces they are updating the lead time requirements for states that require advance notification to policyholders for the listed personal lines. | All |

