Employee unable to see expenses saved after changing the BU

Summary:

Employee has relocated from one location from to another. the expense reports (ER) saved under old location (BU) are not visible.

these expenses include both personal and corporate CC. How do we direct to new Location (BU)

or how can we delete those, as these records are popping up in "Unsubmitted expense report"

Content (required):

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):