In the Team Management application, the Active Until date may be entered or modified at a later date.
To enter or modify a date, click on Modify Row and either update or complete the ‘Active To’ field with the applicable date.

Related Links
Team Delegate - Roles and Responsibilities
Remove from Team
Team Delegate List Report
LearningHub
Video - Team Management - Team Delegates
Video - Team Management - Remove From Team - All Staff