Within Incident - Change Tab is not Persistent

We are using HEAT 2016.1.  My team links changes to incidents by clicking the green + to the right of the screen and choosing the Change tab.

We'll then create a change ticket.  My problem is that the tab disappears after you refresh your browser.

In other words, it shows the Details, Task, and Cost Item tabs:

But, it should show the Change tab as well **if** a change has been associated with it, like so:

How do I get the Change tab to remain visible if a change has been associated with the incident?

Ryan