From either the Edit Pre-Authorization Request or Edit Expense Report screen, click 
to the right of the Location Code field. The Look Up Expense Location screen appears.
Enter one or more search criteria. Your choices are: location code, city or county, state, country. If you enter a state, make sure that you use the two-letter abbreviation.
Hints: You can enter partial information in a search field, such as S to retrieve all location codes that begin with the letter S, or %S to retrieve all location codes that contain the letter S. You can leave all search fields blank to retrieve all locations.
Click Search to retrieve location records that match the criteria you entered. The search results appear in the bottom section of the screen, which includes a count of the number of records found.
If necessary, scroll to find the location that you are looking for.
To view detailed per diem rates for lodging and meals and incidental expenses (M&IE), including the dates when the rates are effective, click 
to the right of the location code. The Per Diem Rate screen appears. All information on the screen is display-only. When you are done viewing rates, click Cancel.
To add a location code to your expense form, click Select to the left of it. The previous screen reappears with the location that you selected added to the field.