To edit a planning unit hierarchy:
Select Administration, then Approvals, and then Planning Unit Hierarchy.
Check the planning unit hierarchy with which you want to work.
Select the appropriate tab, depending on the changes you want to make (for example, select Assign Owners to edit ownership of the planning units in the hierarchy).
Approvals Dimension
See Setting Planning Unit Hierarchy Name, Scope, and Template to modify the planning unit hierarchy description or approvals default scope.
Primary and Subhierarchy Selection
See Selecting Planning Unit Hierarchy Members to select or remove members from approvals.
Assign Owners
See Assigning Planning Unit Owners and Reviewers to modify planning unit owners or reviewers
Usage
See Viewing Planning Unit Hierarchy Usage to view the Planning objects (data validation rules or scenario and version assignments) that reference the planning unit hierarchy
To select a planning unit hierarchy scenario and version with which to work, see Selecting Planning Unit Hierarchy Scenario and Version.