| Effective | Description | Package |
| 05/30/2025 | Update Geographic Grandfather languge in IL Tariff | IX-25-0001 |
| 09/03/2024 | IL Tariff 21 Switched Access Term Plan Grandfathering & Update Shared Use | IX-24-0004 |
| 07/01/2024 | ILL Tariff 21 Access Service Shared Use Grandfather | IX-24-0001 |