Use [Assignment: organization-defined automated mechanisms] to: (a) Document proposed changes to the system; (b) Notify [Assignment: organization-defined approval authorities] of proposed changes to the system and request change approval; (c) Highlight proposed changes to the system that have not been approved or disapproved within [Assignment: organization-defined time period]; (d) Prohibit changes to the system until designated approvals are received; (e) Document all changes to the system; and (f) Notify [Assignment: organization-defined personnel] when approved changes to the system are completed.