SECTION 6. LIMITATIONS AND
Internal Revenue Bulletin 2011-42 · 2026-10-03 edition · updated 2026-10-04 · United States
SPECIAL RULES
.01 In general . The federal per diem rate and the federal M&IE rate described in section 3.02 of this revenue procedure for the locality of travel apply in the same manner as they apply under the Federal Travel Regulations, 41 C.F.R. Part 301, except as provided in sections 6.02 through 6.04 of this revenue procedure. .02 Federal per diem rate . A receipt for lodging expenses is not required in determining the amount of expenses deemed substantiated at the federal per diem rate (including lodging, meal, and incidental expenses in one rate) under section 4.01 or 5.01. See section 7.01 of this revenue procedure for the requirement that an employee substantiate the time, place, and business purpose of the expense.
.03 Meals provided in kind . A payor is not required to reduce the federal per diem rate or the federal M&IE rate for the locality of travel for meals provided in kind, provided the payor has a reasonable belief that the employee incurred or will incur meal and incidental expenses during each day of travel.
.04 Proration of the federal per diem or M&IE rate . Under the Federal Travel Regulations, in determining the federal per diem rate or the federal M&IE rate for the locality of travel, the full applicable federal M&IE rate is available for a full day of travel from 12:01 a.m. to 12:00 midnight. A taxpayer must use the method described in section 6.04(1) of this revenue procedure for purposes of determining the amount deemed substantiated for meal and incidental expenses or for incidental expenses only under section 4.03, 4.05, or 5 of this revenue procedure for partial days of travel away from home. For purposes of determining the amount deemed substantiated for a reimbursement for lodging, meal, and incidental expenses under section 4.01, 4.02, or 5 of this revenue procedure for partial days of travel away from home, a payor may use either of the following methods to prorate the federal M&IE rate to determine the federal per diem rate or the federal M&IE rate for the partial days of travel:
(1) The rate may be prorated using the method prescribed by the Federal Travel Regulations for meal and incidental expenses for partial days, see 41 C.F.R.
industry rates published in an annual notice until January 1 of the next calendar year. Similarly, a taxpayer who uses the special transportation industry rates during the first 9 months of the calendar year to substantiate the amount of an individual’s travel expenses may not use, for that individual, the federal M&IE rates until January 1 of the next calendar year.
Get a plain-English answer with a citation back to this text.
Ask AI about this code