By NOT checking the install Policy on assigned customers option at the bottom of the Assign/Install Global Policy screen, the Global Policy will:

A.
Not be installed, but will require the Administrator to install policy from the SmartDashboard on the MDS

B.
Not to be installed, but will require the Administrator to rename the Global Policy so that it will be available for future assignment

C.
Not be installed, but will require the Administrator to back up Global Policy information on a Secondary MDS, if one is configured

D.
Be installed on the remote Security Gateways, but not enforced

E.
Be installed either when installed from the MDS or from the CMA SmartDashboard