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Introduction

SECTION 4. DEFINITIONS

Internal Revenue Bulletin 2003-43 · 2026-10-03 edition · updated 2026-10-04 · United States

.01 Standard mileage rate . The term “standard mileage rate” means the applicable amount provided by the Service for optional use by employees or self-employed individuals in computing the deductible costs of operating automobiles (including vans, pickups, or panel trucks) they own or lease for business purposes, or by taxpayers in computing the deductible costs of operating automobiles for charitable, medical, or moving expense purposes.

.02 Transportation expenses . The term “transportation expenses” means the expenses of operating an automobile for local travel or transportation away from home.

.03 Mileage allowance . The term “mileage 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:

2003-43 I.R.B. 925 October 27, 2003

incurred in performing services involving the collection and delivery of mail on a rural route if the employee receives qualified reimbursements (as defined in § 162(o)) for the expenses. See § 162(o) for the rules that apply to these qualified reimbursements.

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