Skip to content

SECTION 2. BACKGROUND AND

Internal Revenue Bulletin 2009-42 · 2026-10-03 edition · updated 2026-10-04 · United States

CHANGES

.01 Section 162(a) of the Internal Revenue Code allows a deduction for all the ordinary and necessary expenses paid or incurred during the taxable year in carrying on any trade or business. Under that provision, an employee or self-employed individual may deduct expenses paid or incurred while traveling away from home in pursuit of a trade or business. However, under § 262, no portion of travel expenses attributable to personal, living, or family expenses is deductible.

.02 Section 274(n) generally limits the amount allowable as a deduction under § 162 for any expense for food, beverages, or entertainment to 50 percent of the amount of the expense that otherwise would be allowable as a deduction. In the case of any expenses for food or beverages consumed while away from home (within the meaning of § 162(a)(2)) by an individual during, or incident to, the period of duty subject to the hours of service limitations of the Department of Transportation, § 274(n)(3) provides that, for taxable

2009–42 I.R.B. 524 October 19, 2009

(3) Section 5.03 contains the list of high-cost localities, and section 5.04 describes changes to the list of high-cost localities for purposes of section 5.

(4) The reference in section 6.04 to section 4.04 is deleted. Section 6.04 references taxpayers that use section 4.02 or 4.03 to determine the amount of travel expenses deemed substantiated. Taxpayers described in section 4.04 use section 4.02 or 4.03. Therefore, the reference to section 4.04 in section 6.04 is unnecessary and potentially confusing.

Get a plain-English answer with a citation back to this text.

Ask AI about this code
▸Contents — Internal Revenue Bulletin 2009-42

GoCodebook provides public access, search, citation, multilingual explanation, and practical interpretation of legally adopted building regulations. It is not a substitute for the official ICC or California code publications.