*Click on ACCOUNT LIST
*Cick on MANAGE ACCOUNT for the Master Account
*in the "Property List" click on "MANAGE ACCOUNTPROPERTY" for the propety property you allow the sub account to access*in "Make Property Available in Another AccountMultiple Accounts" set "Available in Account" to the master account "Status" to enable and set "Access Rights"
*if required block sub accounts from selected pages in "Menu Settings"