All members should update their own section-level enrollment capacity.
The primary department is responsible for updating combined enrollment capacity. This can be updated on Combined Section Detail page, which is accessed by clicking on the Combined Section link located in the Class enrollment limits tab in the Update Sections of a Class page in SIS.
On the Combined Section Detail page you can also determine who is primary—the primary subject is listed to the right of the Combined Sections ID:
All members of a bond can access the Combined Sections Detail page in SIS.