The IRS has announced the per diem rates for ordinary and necessary business travel expenses in fiscal year 2023-24:

  • When using the high-low substantiation method, the rate for travel to high-cost localities is $309 per day and the rate for all other continental United States (CONUS) localities is $214 per day.
  • For meals, the rate is $74 (high) and $64 (all other) per day.
  • The rate for incidental expenses when traveling in or outside the CONUS is $5 per day.

These rates are effective beginning Oct. 1, 2023. Questions about per diem rates or other options for deducting business travel expenses? Contact the office.