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Footnotes for Per Diem Tables

  1. The continental USA is defined as the 48 contiguous states and the District of Columbia.
  2. Unless otherwise specified, the per diem locality listed in the "Key City" column is defined as "all locations within, or entirely surrounded by, the corporate limits of the key city, including independent entities located within those boundaries."
  3. Per diem localities with county definitions listed in the "County and/or Other Defined Location" column shall include "all locations within, or entirely surrounded by, the corporate limits of the key city as well as the boundaries of the listed counties, including independent entities located within the boundaries of the key city and the listed counties." Also, military installations or government-related facilities (whether or not specifically named) that are located partially within the city or county boundary shall include "all locations that are geographically part of the military installation or government-related facility, even though part(s) of such activities may be located outside the defined per diem locality." Use this county code search engine
    4. if a city is not listed and to identify if the city is in a high cost county.
  4. When a traveler's lodging rate exceeds the entire allowable per diem amount (meals + lodging) 150%, and the traveler can justify the expense because one or more of the exception conditions exists, an exception to the maximum lodging amount may be claimed allowing the traveler to be reimbursed for the entire lodging expense.