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Introduction›Part I. Rulings and Decisions Under the Internal Revenue Code of 1986

Section 61.—Gross Income Rev. Rul. 2003–89 Level formula or SIFL) by multiplying…

Internal Revenue Bulletin 2003-37 · 2026-10-03 edition · updated 2026-10-04 · United States

Rev. Rul. 2003–89

Level formula or SIFL) by multiplying the SIFL cents-per-mile rates applicable for the period during which the flight was taken by the appropriate aircraft multiple provided in section 1.61–21(g)(7) and then adding the applicable terminal charge. The SIFL cents-per-mile rates in the formula and the terminal charge are calculated by the Department of Transportation and are reviewed semi-annually.

The following chart sets forth the terminal charges and SIFL mileage rates:

26 CFR 1.61–21: Taxation of fringe benefits.

Fringe benefits aircraft valuation formula. The Standard Industry Fare Level (SIFL) cents-per-mile rates and terminal charge in effect for the second half of 2003 are set forth for purposes of determining the value of noncommercial flights on employer-provided aircraft under section 1.61–21(g) of the regulations.

For purposes of the taxation of fringe benefits under section 61 of the Internal Revenue Code, section 1.61–21(g) of the Income Tax Regulations provides a rule for valuing noncommercial flights on employer-provided aircraft. Section 1.61–21(g)(5) provides an aircraft valuation formula to determine the value of such flights. The value of a flight is determined under the base aircraft valuation formula (also known as the Standard Industry Fare

Period During Which the Flight Is Taken Terminal Charge SIFL Mileage Rates

7/1/03 – 12/31/03 $34.66 Up to 500 miles = $.1896 per mile

501–1500 miles = $.1445 per mile

Over 1500 miles = $.1390 per mile

DRAFTING INFORMATION

The principal author of this revenue ruling is Kathleen Edmondson of the Office of Division Counsel/Associate Chief Counsel (Tax Exempt and Government Entities). For further information regarding this revenue ruling, contact Ms. Edmondson at (202) 622–6040 (not a toll-free call).

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