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Introduction

SECTION 2. SUMMARY OF

Internal Revenue Bulletin 2009-51 · 2026-10-03 edition · updated 2026-10-04 · United States

STANDARD MILEAGE RATES

.01 Standard mileage rates

.06 Under § 1.62–2(c), a reimbursement or other expense allowance arrangement satisfies the requirements of § 62(c) if it meets the requirements of business connection, substantiation, and returning amounts in excess of expenses as specified in the regulations. If an arrangement meets these requirements, all amounts paid under the arrangement are treated as paid under an accountable plan and are excluded from income and wages. If an arrangement does not meet one or more of these requirements, all amounts paid under the arrangement are treated as paid under a nonaccountable plan and are included in the employee’s gross income, must be reported as wages or compensation on the employee’s Form W–2, and are subject to the withholding and payment of employment taxes. Section 1.62–2(e)(2) provides that substantiation of certain business expenses in accordance with rules prescribed under § 1.274–5(g) are treated as substantiation of the amount of the expenses for purposes of § 1.62–2. Under § 1.62–2(f)(2), the Commissioner may prescribe rules under which an arrangement providing mileage allowances is treated as satisfying the requirement of returning amounts in excess of expenses, even though the employee is not required to return the portion of the allowance for miles of travel substantiated, if the allowance is reasonably calculated not to exceed the amount of the employee’s expenses and the employee is required

.02 Determination of standard mileage rates . An independent contractor on behalf of the Service conducts an annual study of the fixed and variable costs of operating an automobile to determine the business and medical and moving standard mileage rates reflected in this revenue procedure. The charitable contribution standard mileage rate is set by § 170(i) of the Internal Revenue Code.

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