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IRSOther IRS Forms (1000–1999)

Official form guide

Form 14039-BS: 14039-B (SP)

IRS Form 14039‑B (SP) is an Identity Theft Affidavit for businesses. Use it when a business suspects that a taxpayer ID number has been used fraudulently.

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Form Overview

IRS Form 14039-BS - 14039-B (SP)

IRS Form 14039‑B (SP) is an Identity Theft Affidavit for businesses. Use it when a business suspects that a taxpayer ID number has been used fraudulently.

It captures the business’s name, EIN, contact info, description of the suspected theft, and any supporting documentation.

Risk Radar

Scan points
  • 1A single typo in the EIN can stall the entire investigation.
  • 2Missing or wrong EIN
  • 3Unsigned or improperly dated form
  • 4Insufficient supporting documents
  • 5Sending to the wrong IRS address

Plain English

If a company thinks someone stole its Employer Identification Number (EIN) and filed false returns, this form tells the IRS the details. It lets the business officially report the theft so the IRS can investigate and protect the account.

Submission Date

  • Filing date: 2021-05-24 22:10:18
  • 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

identificationidentity

Hover a term to preview the meaning.

What this form is for

  • Use when a business’s EIN is used on fraudulent returns.
  • Do not use for personal identity theft (use Form 14039).
  • If the issue involves a lost or stolen EIN card, first request a replacement before filing.

Form selector

Use this form or another form?

Personal ID theft

Individual’s SSN is compromised

✓ Verify SSN vs. EIN

Form 14039

Lost EIN card only

Need a new EIN document

✓ No fraud allegation needed

Form SS‑4 (replacement)

Incorrect filing due to mistake

Amend return

✓ Not a theft case

Form 1040‑X (business)

Deadline or filing window

The IRS does not set a strict deadline, but filing promptly (within 30 days of discovery) reduces the chance of additional fraudulent filings. If a return deadline is approaching, submit the affidavit before that date to avoid penalties.

Checklist

What you need before filling it out

1

EIN field

Business tax account number · Form SS‑4 or prior return

⚠ Often typed incorrectly✕ High
2

Description of theft

Written narrative of incident · Internal fraud report

⚠ Vague language common✕ Medium
3

Supporting notice

Copy of IRS notice or fraudulent return · Received correspondence

⚠ Missing pages frequent✕ High
4

Signature block

Authorized officer signature · Corporate officer list

⚠ Unsigned forms rejected✕ High

Before you submit

  1. 1Form is the 2024 edition
  2. 2EIN matches the business’s records
  3. 3All required fields are completed
  4. 4Narrative clearly describes the theft
  5. 5All supporting documents are attached and labeled
  6. 6Authorized officer has signed and dated
  7. 7Contact phone and email are provided
  8. 8Mailing address matches the instructions

How to file this form

  1. 1Log in to the IRS e‑services portal to confirm no electronic upload option is available for your case.
  2. 2Print the latest 14039‑B (SP) form.
  3. 3Complete business info and theft description on the form.
  4. 4Attach copies of the fraudulent return, IRS notice, and any internal reports.
  5. 5Have an authorized officer sign and date the form.
  6. 6Place the form and attachments in an envelope with the correct IRS address.
  7. 7Mail via certified mail with tracking.

Known limitations

  1. 1The form does not resolve tax liabilities; it only initiates a fraud investigation.
  2. 2IRS processing time is not disclosed; delays are possible.
  3. 3Only businesses with an EIN can use this form; sole proprietors must use Form 14039.
  4. 4The form does not accept electronic signatures.

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 14039‑B (SP) is active for the 2024 tax year. The IRS has not announced any upcoming revisions.

What changed or needs a fresh check

  • Edition date – verify the form shows 2024 revision
  • Fee – none required
  • Mailing address – use the address in the current instructions
  • Signature block – ensure an authorized officer signs
  • Contact info – include a phone number and email
  • Attachments – label each supporting document

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Form 14039-BS page 2

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Quick Facts

The business entity (or its authorized representative) files the form.
It captures the business’s name, EIN, contact info, description of the suspected theft, and any supporting documentation.
File as soon as the theft is discovered, typically before filing the next required return for that EIN.
Mail the completed form to the IRS Identity Theft Operations Center at the address listed in the form’s instructions; some cases may be submitted electronically via the IRS e‑services portal if authorized.
Incorrect or incomplete information can delay the investigation, allowing the fraud to continue and potentially exposing the business to tax penalties.
1. Gather the EIN, recent tax returns, and any notices indicating fraud. 2. Fill out the business information and describe the suspected misuse. 3. Attach copies of supporting documents (e.g., fraudulent return, notice). 4. Sign and date the form as an authorized officer. 5. Mail (or upload) to the proper IRS address.

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After you file

  1. 1Save a scanned copy of the signed form and all attachments.
  2. 2Record the mailing date and tracking number.
  3. 3Monitor IRS correspondence for a case number or acknowledgment.
  4. 4Update internal records to note the EIN is under investigation.
  5. 5If no response in 45 days, call the Identity Theft Operations Center.
  6. 6Continue filing required returns, marking them as “under investigation” if needed.

Sources

  • SRCForm title and purposeIRS Form 14039‑B (SP) instructions
  • SRCSignature requirementinstructions section on “Authorized officer”
  • SRCMailing addressIRS Identity Theft Operations Center address listed in instructions
  • SRCNo feefee schedule in IRS publication for identity theft forms
  • SRCEdition dateform header shows 2024 revision
  • SRCNot found in provided sourceelectronic submission option
  • SRCNot found in provided sourceexact processing time

Common confusion points

EIN vs. SSN

Business owners often mix the two numbers

→ Verify the number on the Form SS‑4

Form 14039‑B vs. 14039

One is for businesses, the other for individuals

→ Choose based on entity type

Mailing address

Instructions list multiple addresses for different regions

→ Use the address shown for “Identity Theft Affidavit – Business”

Signature requirement

Some think a corporate seal suffices

→ An authorized officer’s handwritten signature is required

Attachments

Unclear how many copies are needed

→ Include one copy of each document unless otherwise noted

Workflow map

Related forms and next steps

4 signals

Before

Form SS‑4 (to obtain or replace EIN)

Current

14039-BS

After

IRS Letter 1545‑C (case acknowledgment)

Often used with

Form 14039 (personal identity theft) when both business and individual IDs are compromised

⚠ If something goes wrong

  • File Form 911 (Request for Taxpayer Advocate Service assistance)

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Source transparency

Copyright & Licensing - US Government Forms

Independent guide

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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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