How to make Default Location Required on the Create Expense Report Fluid Page

PeopleSoft Expenses

9.2.51

Path: Employee Self-Service > Expenses > Create Expense Report

Aside from Page and Field Configurator or updating the record EX_SHEET_HDR to make TXN_LOCATION required. Is there a configuration setting for Expenses where I can make the Default Location field on the Header/Default page a required field? I've not found anything in BU settings or Installation Options (unless I've overlooked). I do know you can make Location a required field in Expense Types, however, I would like to make the field on the header/defaults page a required field.

Thanks so much,

Rick