Question Where can I find the per diem rates for foreign countries? Answer Per diem rates are on the internet: Foreign per diem rates Non-foreign per diem rates for areas outside the continental United States (OCONUS), such as Alaska, Hawaii, Puerto Rico and U.S. possessions Continental United States (CONUS) per diem rates Additional Information Publication 463, Travel, Entertainment, Gift, and Car Expenses Category Small business, self-employed, other business Sub-Category Income & expenses