TaskItem.Ownership (Outlook)
Returns an OlTaskOwnership specifying the ownership state of the task. Possible return values are olDelegatedTask - Task has been delegated to another user, olNewTask - Task has not yet been assigned to a user, olOwnTask - Task is assigned to the current Outlook user.
Dim otoOwnership As OlTaskOwnership
otoOwnership = Session.CreateSharingItem.Move.Items(1).Ownership