When should you use the Perform Integrated Change Control process?

when two different modules do not pass info, then integrated change is needed.for example Payroll module deducts car loan amount from employee and does not generate GL voucher entry reducing employee car balance in Accounts module.

Perform Integrated Change Control. Reviewing all change requests; approvingchanges and managing changes to deliverables, organizational process assets, project documents, and project management plan; and communicating their disposition. Change Control.