| Circular Number | Circular Title | Summary | State(s) |
| AM-CL-2026-001, AM-EP-2026-001, AM-MP-2026-001 | AD HOC MANAGEMENT LIABILITY PANEL AGENDA ATTACHED | ISO provides the agenda for the Ad Hoc Management Liability Panel teleconference meeting to be held on June 3, 2026 at 1:00 PM EST. | All |
| LI-MT-2026-037 | MOTORCYCLE RATING CODES UPDATED INFORMATION | ISO provides motor rating code information for new motorcycle types, available through VINMASTER Motorcycle. | All |

