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Expenses

IRS Announces Special Per Diem Rates for Travel Away From Home on or After October 1, 2017

EBIA  

EBIA  

IRS Notice 2017-54 (Sept. 25, 2017)

The IRS has announced the special per diem rates that can be used to substantiate the amount of business expenses incurred for travel away from home on or after October 1, 2017. Employers using these rates to set per diem allowances can treat the amount of certain categories of travel expenses as substantiated without requiring that employees prove the actual amount they spent. (Employees must still substantiate the time, place, and business purpose of their travel expenses.) The amount deemed substantiated, however, will only be the lesser of the allowance actually paid or the applicable per diem rate for the same set of expenses. This notice announces rates for use under the optional high-low substantiation method, special rates for transportation industry employers, and the rate for taxpayers taking a deduction only for incidental expenses. General guidance issued in 2011 regarding the use of per diems remains in effect (see our Checkpoint article).

For travel within the continental United States, the optional high-low method designates one per diem rate for all high-cost locations and another for all other locations. Employers can use the high-low method for substantiating lodging, meals, and incidental expenses, or for substantiating meal and incidental expenses only (M&IE). Beginning October 1, 2017, the high-low per diem rates that can be used for lodging, meals, and incidental expenses will increase to $284 for travel to high-cost locations and $191 for travel to other locations. The high-low M&IE rates are unchanged at $68 for travel to high-cost locations and $57 for travel to other locations. Seven locations have been added to the list of high-cost locations, four have been removed, and several that remain on the list are now considered high-cost for a different portion of the calendar year.

While they cannot use the high-low method, self-employed persons and employees who are not reimbursed can use other per diem rates to compute the amount of their business expense deduction for business meals and incidental expenses (but not lodging), or for incidental expenses alone. The special rate for the incidental expenses deduction that applies beginning October 1, 2017, is unchanged at $5 per day.

EBIA Comment: The per diem rules can greatly simplify the process of substantiating business travel expense amounts. Per diem allowances that are deemed substantiated may be retained by the employee, even if they exceed what the employee actually spent. But if an employer pays more generous allowances (exceeding what will be deemed substantiated), the employer must require substantiation, require return of the excess, or treat the excess as taxable wages. Otherwise, the entire allowance may become taxable. For more information, see EBIA’s Fringe Benefits manual at Section XXI.G (“Travel Expense Reimbursements: Substantiation”). You may also be interested in our recorded webinar, “Workplace Fringe Benefits” (recorded on 10/19/16).

Contributing Editors: EBIA Staff.

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