Part 8 Alternative Methods of Filing
Internal Revenue Bulletin 2005-50 · 2026-10-03 edition · updated 2026-10-04 · United States
Section 8.1 – Forms for Electronically Filed Returns
8.1.1 Electronic Filing Program
Electronic filing is a method by which qualified filers transmit tax return information directly to an IRS Service Center in the format of the official IRS forms. The IRS accepts both refund and balance-due individual tax returns that are filed electronically.
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8.1.2 Applying to Participate in IRS e-file
8.1.3 Mailing Instructions
8.1.4 Obtaining the Taxpayer Signature
8.1.5 Guidelines for Preparing Substitute Forms in the Electronic Filing Program
Anyone wishing to participate in IRS e-file of tax returns must submit an e-file application. The application can be completed and submitted electronically on the IRS website at www.irs.gov or by filing Form 8633, Application to Participate in the IRS e-file Program.
Form 8453, U.S. Individual Income Tax Declaration for an IRS e-file Return, is the signature document for an electronically filed 1040, 1040A, or 1040EZ return not filed with an electronic signature. Form 8453, which serves as a transmittal for associated nonelectronic (paper) documents such as Forms 3115, 5713, 8283, and 8332, is a one-page form and can only be approved through the Substitute Forms Program in that format. Form 8453-OL serves the same purpose for taxpayers filing through online services. For specific information about electronic filing, refer to Publication 1345, Handbook for Authorized IRS e-file Providers of Individual Income Tax Returns.
A participant in the electronic filing program, who wants to develop a substitute form should follow the guidelines throughout this publication and send a sample form for approval to the Substitute Forms Unit at the address in Part 1. If you do not prepare Substitute Form 8453 using a font in which all IRS wording fits on a single page, the form will not be accepted.
Note. Use of unapproved forms could result in suspension of the participant from the electronic filing program.
Section 8.2 – Effect on Other Documents
8.2.1 Effect on Other Documents
This revenue procedure supersedes Revenue Procedure 2004-62, 2004-2 C.B. 728.
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Exhibit D¶
Check Sheet of IRS Substitute Forms Submitted on . . . . . . 20 :
Company: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Contact: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Phone: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fax: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Source Code: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Authorized Name:
Title:
Reviewer’s Name:
Telephone:
Date:
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the amount of tax required to be shown on the return for the taxable year or $5,000. Section 6662(d)(1)(B) provides special rules for corporations. A corporation (other than an S corporation or personal holding company) has a substantial understatement of income tax if the amount of the understatement exceeds the lesser of 10 percent of the tax required to be shown on the return for a taxable year (or, if greater, $10,000) or $10,000,000. Section 6662(d)(2) defines an understatement as the excess of the amount of tax required to be shown on the return for the taxable year over the amount of the tax that is shown on the return reduced by any rebate (within the meaning of section 6211(b)(2)).
.03 In the case of an item not attributable to a tax shelter, section 6662(d)(2)(B)(ii) provides that the amount of the understatement is reduced by the portion of the understatement attributable to any item with respect to which the relevant facts affecting the item’s tax treatment are adequately disclosed in the return or in a statement attached to the return, and there is a reasonable basis for the tax treatment of the item by the taxpayer.
.04 Section 6694 imposes a penalty of $250 on an income tax return preparer for filing a return or claim for refund that results in an understatement of liability due to a position for which the preparer knew or should have known that there was not a realistic possibility of being sustained on the merits and the position was not disclosed in accordance with section 6662(d)(2)(B)(ii). .05 In general, this revenue procedure provides guidance for determining when disclosure is adequate for purposes of section 6662(d)(2)(B)(ii) and section 6694(a)(3). For purposes of this revenue procedure, the taxpayer must furnish all required information in accordance with the applicable forms and instructions, and the money amounts entered on these forms must be verifiable. Annual guidance under Treas. Reg. § 1.6662(f)(2) and Treas. Reg. § 1.6694(e)(1) and (2) for returns filed on 2004, 2003, and 2002 tax forms is provided in Rev. Proc. 2004–73, Rev. Proc. 2003–77, 2003–2 C.B. 964; and Rev. Proc. 2002–66, 2002–2 C.B. 724, respectively.
.06 Fiscal and short tax year returns. (a) In general. This revenue procedure may apply to a return for a fiscal tax year that
26 CFR 601.105: Examination of returns and claims for refund, credit or abatement; determination of cor- rect tax liability. (Also Part I, §§ 6662, 6694; 1.6662–4, 1.6694–2.)
Rev. Proc. 2005–75
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