IRS issues 2018–2019 per-diem rates

By Sally P. Schreiber, J.D.

Business travelers who incur expenses while traveling away from home have new per-diem rates to use in substantiating certain of those expenses (Notice 2018-77). The new rates are in effect from Oct. 1, 2018, to Sept. 30, 2019. The IRS on Wednesday provided the 2018–2019 special per-diem rates, including the transportation industry meal and incidental expenses rates, the rate for the incidental-expenses-only deduction, and the rates and list of high-cost localities for purposes of the high-low substantiation method.

The updated rates are effective for per-diem allowances paid to any employee on or after Oct. 1, 2018, for travel away from home on or after that date, and supersede the rates in Notice 2017-54, which provided the rates for Oct. 1, 2017, through Sept. 30, 2018.

Rev. Proc. 2011-47 provides the general rules for using a federal per-diem rate to substantiate the amount of ordinary and necessary expenses for lodging, meals, and incidental costs paid or incurred for business-related travel away from home. Taxpayers using the rates and the list of localities in Notice 2018-77 must comply with the rules in Rev. Proc. 2011-47.

High-low substantiation method

For purposes of the high-low substantiation method, the per-diem rates are $287 for travel to any high-cost locality and $195 for travel to any other locality within the continental United States (CONUS), slightly higher than last year.

The amount of these rates that is treated as paid for meals for purposes of Sec. 274(n) is $71 for travel to a high-cost locality and $60 for travel to any other locality within CONUS, both $3 higher than last year.

The notice contains a list of the localities that are high-cost localities (localities that have a federal per-diem rate of $241 or more, also $3 higher than last year) for all or part of the calendar year.

Incidental expenses

Since 2012, incidental expenses have included only fees and tips given to porters, baggage carriers, hotel staff, and staff on ships. The per-diem rate for the incidental-expenses-only deduction remains unchanged at $5 per day for any locality of travel.

Transportation industry

The special meals and incidental expenses rates for taxpayers in the transportation industry are $66 for any locality of travel within CONUS and $71 for any locality of travel outside CONUS, both $3 higher than last year after remaining the same the last three years.

Sally P. Schreiber, J.D., (Sally.Schreiber@aicpa-cima.com) is a Tax Adviser senior editor.

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