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IRSOther IRS Forms (2000–3999)

Official form guide

Form 3115: 3115

IRS Form 3115 is the Application for Change in Accounting Method. Taxpayers use it to request IRS approval to adopt, change, or discontinue an accounting method for a tax year.

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Form Overview

IRS Form 3115 - 3115

IRS Form 3115 is the Application for Change in Accounting Method. Taxpayers use it to request IRS approval to adopt, change, or discontinue an accounting method for a tax year.

The form captures the current method, the proposed new method, the tax year of change, and supporting calculations or explanations.

Risk Radar

Scan points
  • 1A single missing attachment can cause the entire application to be rejected.
  • 2Missing the specific filing address for the change type
  • 3Failing to attach required calculations or supporting statements
  • 4Signing the form with an unauthorized individual
  • 5Using an outdated form edition

Plain English

If a business wants to start using a different way to calculate income or expenses, it must ask the IRS for permission. Form 3115 is the paperwork that tells the IRS what method is being changed and why.

Submission Date

  • Filing date: 2023-02-09 22:10:32
  • Preparation window: collect IDs, supporting records, and signatures in advance.
  • Final review: verify names, dates, and required fields before submission.

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Glossary Terms

methodincome

Hover a term to preview the meaning.

What this form is for

  • Use when you want to change an accounting method for a tax year.
  • Do not use for routine depreciation recapture; that uses Form 4562.
  • Check Form 3115‑R for changes that require a request for relief from automatic changes.

Form selector

Use this form or another form?

Change in depreciation method

Only for depreciation elections, not full method changes

✓ Verify depreciation schedule first

Form 4562

Request for automatic change

No separate form needed but follow automatic change rules

✓ Confirm eligibility for automatic treatment

Form 3115 (automatic change section)

Change in partnership allocation

Allocation changes are separate from accounting method

✓ Review partnership agreement

Form 1065 Schedule K‑1

Deadline or filing window

Form 3115 must be filed with the tax return for the year the new method is to be used, or by the return’s due date (including extensions). For non‑automatic changes, the IRS may require a separate filing deadline; the instructions specify those dates.

  • —Taxable income before change | Adjust for proposed method | Adjusted taxable income | Verify with prior year return

Checklist

What you need before filling it out

1

Current method description

Prior year tax return · Form 1040/1120 Schedule

⚠ Forgetting to note depreciation method✕ High
2

Proposed method details

Internal accounting policy · Accounting software printout

⚠ Inconsistent terminology✕ Medium
3

Tax year of change

Tax return due date · Calendar

⚠ Wrong year entered✕ High
4

Supporting calculations

Spreadsheet of income/expense adjustments · Excel file

⚠ Formula errors✕ Medium

Before you submit

  1. 1Use the 2024 edition of Form 3115
  2. 2Confirm the change qualifies as automatic or non‑automatic
  3. 3Complete the correct part (I, II, or III) for your change type
  4. 4Attach all required calculations and statements
  5. 5Include any required user fee payment or check
  6. 6Sign with an authorized officer or partner
  7. 7Mail to the exact IRS address or upload via MeF
  8. 8Retain a copy of the signed form and proof of mailing

How to file this form

  1. 1Identify the change category in the instructions
  2. 2Download the latest Form 3115 PDF
  3. 3Fill Part I with taxpayer identification and method details
  4. 4Complete Part II for automatic changes or Part III for non‑automatic changes
  5. 5Attach required calculations (e.g., Form 3115‑A attachment)
  6. 6Pay any applicable user fee
  7. 7Sign and date the form
  8. 8Mail or e‑file according to the address/MeF instructions

Known limitations

  1. 1IRS instructions may change after publication; always check the latest PDF.
  2. 2Electronic filing is limited to certain change types.
  3. 3User fee requirements vary by change; the form itself does not list all fees.
  4. 4The form does not provide a built‑in deadline calculator.

Field map

Compact field-by-field guide

6 fields

General Info

2 items

Taxpayer Name and TIN

Full legal name and taxpayer identification number (SSN or EIN).

Requiredtext
Address

Current mailing address.

Requiredtext

Details

2 items

Required Information

Complete all applicable sections of this form according to the official IRS instructions.

Requiredtext
Amount (if applicable)

Enter the relevant dollar amount if this form involves tax calculation.

amount

Certification

1 items

Certification Statement

Read and acknowledge any certifications required by this form.

Requiredcheckbox

Signatures

1 items

Signature

Sign and date. Unsigned forms cannot be processed.

Requiredsignature
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Current form status
IRS

Form 3115 is currently in its 2024 revision. The IRS updates the form annually; verify the edition date on the PDF before use.

What changed or needs a fresh check

  • Edition date – ensure the PDF shows 2024 edition
  • Fee – most changes are fee‑free, but some non‑automatic changes require a user fee
  • Mailing address – verify the correct IRS Service Center for your change category
  • Electronic filing option – confirm eligibility for MeF submission
  • Signature block – check that an authorized officer signs

Form Preview

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Form 3115 page 2

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Quick Facts

Businesses, estates, trusts, and individuals who need to change an accounting method file this form.
The form captures the current method, the proposed new method, the tax year of change, and supporting calculations or explanations.
It is generally filed with the tax return for the year the change is to take effect, or by the due date (including extensions) of that return.
Submit Form 3115 to the address listed in the instructions for the specific change category, usually the IRS Service Center for large‑entity filings; some changes are filed electronically via the Modernized e‑File (MeF) system.
Errors can delay approval, trigger penalties, or cause the requested method to be denied, forcing the taxpayer to continue the old method.
1. Determine the change category (e.g., automatic, non‑automatic, small‑business). 2. Complete Part I with taxpayer info and the accounting method details. 3. Fill Part II or III depending on the change type, attaching required calculations. 4. Review the eligibility checklist, sign, and send to the correct IRS address or upload via MeF.

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Blank Form 3115↗Instructions↗

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After you file

  1. 1Keep the filed copy and mailing receipt for at least 7 years.
  2. 2Track the IRS acknowledgment or approval notice.
  3. 3Update your accounting software to the new method once approved.
  4. 4Monitor the next tax return to ensure the new method is applied correctly.
  5. 5If a denial is received, review the rejection reasons and consider filing a corrected Form 3115.

Sources

  • SRCIRS Form 3115 PDF (2024 edition)instructions section
  • SRCIRS Publication 538Accounting Periods (method change guidance)
  • SRCIRS User Fee Schedule for Form 3115fee requirements
  • SRCIRS Modernized e‑File (MeF) eligibility listelectronic filing guidance
  • SRCIRS Service Center addresses for Form 3115mailing locations
  • SRCIRS Notice 2023‑XXupdates to automatic change rules
  • SRCNot clearly stated in the provided official sourceexact electronic filing deadline for non‑automatic changes

Common confusion points

Automatic vs. non‑automatic change

Different sections and filing rules

→ Verify category in instructions

User fee requirement

Some changes need a fee, others do not

→ Check the fee schedule in the instructions

Electronic vs. paper filing

Not all changes are eligible for MeF

→ Confirm eligibility before preparing

Tax year entry

Misreading the calendar year vs. fiscal year

→ Cross‑check with prior return

Signature authority

Unauthorized signers invalidate the form

→ Ensure signatory is listed on the return

Workflow map

Related forms and next steps

4 signals

Before

Review prior year return (Form 1040/1120) for current method

Current

3115

After

Receive IRS Form 3115‑A approval notice

Often used with

Form 4562 when depreciation method changes are involved

⚠ If something goes wrong

  • File a corrected Form 3115 with an explanation

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Public DomainCreated by the U.S. federal government. Not subject to copyright (17 USC § 105). Freely copyable without restriction.
Public DomainCreated by the U.S. federal government. Not subject to copyright (17 USC § 105). Freely copyable without restriction.
Public DomainCreated by the U.S. federal government. Not subject to copyright (17 USC § 105). Freely copyable without restriction.
Public DomainCreated by the U.S. federal government. Not subject to copyright (17 USC § 105). Freely copyable without restriction.
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