Per Diem 2024 Rates Irs. Per diem rates for the continental u.s. The irs per diem rates for 2024 have been updated, impacting how businesses and employees handle travel expenses.

1, which taxpayers can use to substantiate the amount of expenses for lodging,. For fy 2024, the maximum lodging allowance rates in some existing per diem localities will increase, and the standard conus lodging rate will increase from.