| Circular Number | Circular Title | Summary | State(s) |
| AM-BP-2026-00 | AD HOC BUSINESSOWNERS PANEL MINUTES ATTACHED | ISO provides the minutes for the Businessowners Panel teleconference meeting held on October 6, 2026. | All |
| LI-BP-2026-157 | PENNSYLVANIA SUPPLEMENT TO THE BUSINESSOWNERS 2026 MULTISTATE FORMS REVISION PROVIDED | ISO provides the Pennsylvania forms supplement to multistate filing BP-2026-OFR26. ISO cautions the filing has not yet been implemented. The proposed effective date is March 1, 2027. | PA |
| LI-BP-2026-158 | PENNSYLVANIA SUPPLEMENT TO THE BUSINESSOWNERS 2026 MULTISTATE RULES REVISION PROVIDED | ISO provides the Pennsylvania rules supplement to multistate filing BP-2026-OFR26. ISO cautions the filing has not yet been implemented. The proposed effective date is March 1, 2027. | PA |

