Changes made to the following will be appear in the Audit Trail
To set an item for Audit go to Maintenance > Database Setup > Audit Items > select the area (in this case it's Person) and tick the items you want to see appear in the Audit trail if any changes are made to it.
(2.15.11+)
The adding or removing of Departments from a Person Record can also be audited. Additional Departments are added via Person Record - Register – Complete the form including allocating a temp desk.
The audit trail is recorded in the side bar view of the Person record.