Google Message Security for Google Apps Administration Guide - Manual (Page 116)

116 Message Security for Google Apps Administration Guide
In an additional example of large, complex hierarchies, an organization policy
administrator can have sub-administrators managing different parts of the
hierarchy tree. In the following example, the Operations organization’s
administrator manages all of the sub-organizations. And the administrator
assigned to the Big User Org shares administrative access.
Recommended Organization Policy Administrator Privilege Settings
For detailed information for each privilege, see The Message Security
Authorization Reference.
Organization Policy Administrator Privilege Read/Modify Notes
All Standard Privileges
Help Desk
Suspend User
Reset User
View Quarantine
User Settings Default User
Traffic Limits
Change Address
Add Users