SECTION 3. BACKGROUND AND
Internal Revenue Bulletin 2008-50 · 2026-10-03 edition · updated 2026-10-04 · United States
CHANGES
.01 Section 162(a) 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-em
ployed individual may deduct the cost of operating an automobile to the extent that it is used in a trade or business. However, under § 262, no portion of the cost of operating an automobile that is attributable to personal use is deductible.
.02 Section 274(d) provides, in part, that no deduction is allowed under § 162 with respect to any listed property (as defined in § 280F(d)(4) to include passenger automobiles and any other property used as a means of transportation) unless the taxpayer complies with certain substantiation requirements. Section 274(d) further provides that regulations may prescribe that some or all of the substantiation requirements do not apply to an expense that does not exceed an amount prescribed by the regulations.
December 15, 2008 1286 2008–50 I.R.B.
ample of one type of abuse of § 62(c) and §1.62–2.
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