bulletin Internal Revenue›Rev. Proc. 2000-9
SECTION 3. DEFINITIONS
Internal Revenue Bulletin 2000-2 · 2026-10-03 edition · updated 2026-10-04 · United States
.01 Per diem allowance. The term “per diem allowance” means a payment under a reimbursement or other expense allowance arrangement that meets the requirements specified in § 1.62-2(c)(1) and that is
(1) paid with respect to ordinary and necessary business expenses incurred, or which the payor reasonably anticipates will be incurred, by an employee for lodging, meal, and incidental expenses or for meal and incidental expenses for travel away from home in connection with the performance of services as an employee of the employer,
(2) reasonably calculated not to exceed the amount of the expenses or the anticipated expenses, and
(3) paid at or below the applicable
Federal per diem rate, a flat rate or stated schedule, or in accordance with any other Service-specified rate or schedule.
.02 Federal per diem rate .
(1) General rule . The Federal per diem rate is equal to the sum of the Federal lodging expense rate and the Federal meal and incidental expense (M&IE) rate for the locality of travel. Each of these rates for a particular locality in the continental United States (“CONUS”) is set forth in Appendix A of 41 C.F.R., Chapter 301, as amended. See 41 C.F.R. Part 3017 (1999), as amended, for specific rules regarding these Federal rates. Each of these rates is established by the Secretary of Defense for a particular nonforeign locality outside the continental United States (“OCONUS”) (including Alaska, Hawaii, Puerto Rico, the Northern Mariana Islands, and the possessions of the United States), and by the Secretary of State for a particular foreign OCONUS locality. Each of these OCONUS rates is published in the Per Diem Supplement to the Standardized Regulations (Government Civilians, Foreign Areas). See, e.g., Maximum Travel Per Diem Allowances for Foreign Areas, PD Supplement 427, issued December 1, 1999.
(2) Locality of travel. The term “locality of travel” means the locality where an employee traveling away from home in connection with the performance of services as an employee of the employer stops for sleep or rest.
(3) Incidental expenses . The term “incidental expenses” includes, but is not limited to, expenses for laundry, cleaning and pressing of clothing, and fees and tips for services, such as for porters and baggage carriers. The term “incidental expenses” does not include taxicab fares, lodging taxes, or the costs of telegrams or telephone calls.
.03 Flat rate or stated schedule.
(1) In general. Except as provided in section 3.03(2) of this revenue procedure, an allowance is paid at a flat rate or stated schedule if it is provided on a uniform and objective basis with respect to the expenses described in section 3.01 of this revenue procedure. Such allowance may be paid with respect to the number of days away from home in connection with the performance of services as an employee or on any other basis that is consistently applied and in accordance with rea
2000–2 I.R.B. 281 January 10, 2000
diem allowance for such day or the amount computed at the Federal M&IE rate for the locality of travel for such day (or partial day, see section 6.04 of this revenue procedure). A per diem allowance is treated as paid only for meal and incidental expenses if (1) the payor pays the employee for actual expenses for lodging based on receipts submitted to the payor, (2) the payor provides the lodging in kind, (3) the payor pays the actual expenses for lodging directly to the provider of the lodging, (4) the payor does not have a reasonable belief that lodging expenses were or will be incurred by the employee, or (5) the allowance is computed on a basis similar to that used in computing the employee’s wages or other compensation ( e.g., the number of hours worked, miles traveled, or pieces produced).
.03 Optional method for meals only de- duction . In lieu of using actual expenses, employees and self-employed individuals, in computing the amount allowable as a deduction for ordinary and necessary meal and incidental expenses paid or incurred for travel away from home, may use an amount computed at the Federal M&IE rate for the locality of travel for each calendar day (or partial day, see section 6.04 of this revenue procedure) the employee or self-employed individual is away from home. Such amount will be deemed substantiated for purposes of paragraphs (b)(2) (travel away from home) and (c) of § 1.274-5T, provided the employee or self-employed individual substantiates the elements of time, place, and business purpose of the travel expenses in accordance with those regulations.
.04 Special rules for transportation in- dustry.
(1) In general . This section 4.04 applies to (a) a payor that pays a per diem allowance only for meal and incidental expenses for travel away from home as described in section 4.02 of this revenue procedure to an employee in the transportation industry, or (b) an employee or self-employed individual in the transportation industry who computes the amount allowable as a deduction for meal and incidental expenses for travel away from home in accordance with section 4.03 of this revenue procedure. (2) Rates . A taxpayer described in
section 4.04(1) of this revenue procedure may treat $38 as the Federal M&IE rate for any locality of travel in CONUS, and/or $42 as the Federal M&IE rate for any locality of travel OCONUS. A payor that uses either (or both) of these special rates with respect to an employee must use the special rate(s) for all amounts subject to section 4.02 of this revenue procedure paid to that employee for travel away from home within CONUS and/or OCONUS, as the case may be, during the calendar year. Similarly, an employee or self-employed individual that uses either (or both) of these special rates must use the special rate(s) for all amounts computed pursuant to section 4.03 of this revenue procedure for travel away from home within CONUS and/or OCONUS, as the case may be, during the calendar year.
(3) Periodic rule . A payor described in section 4.04(1) of this revenue procedure may compute the amount of the employee’s expenses that is deemed substantiated under section 4.02 of this revenue procedure periodically (not less frequently than monthly), rather than daily, by comparing the total per diem allowance paid for the period to the sum of the amounts computed at the Federal M&IE rate(s) for the localities of travel for the days (or partial days, see section 6.04 of this revenue procedure) the employee is away from home during the period. For example, assume an employee in the transportation industry travels away from home within CONUS on 17 days (including partial days, see section 6.04 of this revenue procedure) during a calendar month and receives a per diem allowance only for meal and incidental expenses from a payor that uses the special rule under section 4.04(2) of this revenue procedure. The amount deemed substantiated under section 4.02 of this revenue procedure is equal to the lesser of the total per diem allowance paid for the month or $646 (17 days at $38 per day).
(4) Transportation industry defined . For purposes of this section 4.04 of this revenue procedure, an employee or selfemployed individual is “in the transportation industry” only if the employee’s or individual’s work (a) is of the type that directly involves moving people or goods by airplane, barge, bus, ship, train, or truck, and (b) regularly requires travel
away from home which, during any single trip away from home, usually involves travel to localities with differing Federal M&IE rates. For purposes of the preceding sentence, a payor must determine that an employee or a group of employees is “in the transportation industry” by using a method that is consistently applied and in accordance with reasonable business practice.
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