SECTION 4. PROCEDURE
Internal Revenue Bulletin 2003-44 · 2026-10-03 edition · updated 2026-10-04 · United States
.01 Additional disclosure of facts relevant to, or positions taken with respect to, issues involving any of the items set forth below is unnecessary for purposes of reducing any understatement of income tax under § 6662(d), provided that the forms and attachments are completed in a clear manner and in accordance with their instructions. The money amounts entered on the forms must be verifiable, and the information on the return must be disclosed in the manner described below. For purposes of this revenue procedure, a number is verifiable if, on audit, the taxpayer can demonstrate the origin of the number (even if that number is not ultimately accepted by
the Internal Revenue Service) and the taxpayer can show good faith in entering that number on the applicable form.
(1) Form 1040, Schedule A, Itemized Deductions :
(a) Medical and Dental Expenses: Complete lines 1 through 4, supplying all required information.
(b) Taxes: Complete lines 5 through 9, supplying all required information. Line 8 must list each type of tax and the amount paid.
(c) Interest Expenses: Complete lines 10 through 14, supplying all required information. This section 4.01(1)(c) does not apply to (i) amounts disallowed under § 163(d) unless Form 4952, Investment In- terest Expense Deduction, is completed, or (ii) amounts disallowed under § 265.
(d) Contributions: Complete lines 15 through 18, supplying all required information. Enter the amount of the gift reduced by the value of any substantial benefit (goods or services) provided by the donee organization in consideration, in whole or in part. Entering the amount of the gift unreduced by the value of the benefit received will not constitute adequate disclosure. If a contribution of $250 or more is made, this section 4.01(1)(d) will not apply unless a contemporaneous written acknowledgment, as required by § 170(f)(8), is obtained from the donee organization. If a contribution of property other than cash is made and the amount claimed as a deduction exceeds $500, attach a properly completed Form 8283, Noncash Charitable Contributions, to the return.
(e) Casualty and Theft Losses: Complete Form 4684, Casualties and Thefts, and attach to the return. Each item or article for which a casualty or theft loss is claimed must be listed on Form 4684.
(2) Certain Trade or Business Expenses (including, for purposes of this section 4.01(2), the following six expenses as they relate to the rental of property):
(a) Casualty and Theft Losses: The procedure outlined in section 4.01(1)(e) above must be followed.
(b) Legal Expenses: The amount claimed must be stated. This section 4.01(2)(b) does not apply, however, to amounts properly characterized as capital expenditures, personal expenses, or non-deductible lobbying or political expenditures, including amounts that are
November 3, 2003 965 2003-44 I.R.B.
of Associate Chief Counsel, Procedure & Administration (Administrative Provisions & Judicial Practice Division). For further information regarding this revenue procedure, contact Branch 2 of the Administrative Provisions & Judicial Practice Division at (202) 622–4940 (not a toll-free call).
Expenses, or Form 2106–EZ, Unreim- bursed Employee Business Expenses, and attach to the return. This section 4.01(5)(b) does not apply to club dues, or to travel expenses for any non-employee accompanying the taxpayer on the trip.
(c) Fuels Credit: Complete Form 4136, Credit for Federal Tax Paid on Fuels, and attach to the return.
(d) Investment Credit: Complete Form 3468, Investment Credit, and attach to the return.
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