| Units: | Yes/No |
| Mode: | Input Only |
| Multi-band: | False |
| Default Value: | True (-1) |
| Validation Rule: | False (0) or True (-1) |
| Key Property: | No |
| Description: | Flag if the maintenance event is allowed to start in the period. |
Maintenance Start Window is a Yes/No flag if the maintenance event is allowed to start in the period.