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IRSOther IRS Forms (4000–6999)

Official form guide

Form 433-BOIS: 433-B (OIC) (sp)

Form 433‑B (OIC) (sp) is the IRS Collection Information Statement for Businesses used when a business files an Offer in Compromise. It gathers detailed financial data to evaluate the offer.

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Form Overview

IRS Form 433-BOIS - 433-B (OIC) (sp)

Form 433‑B (OIC) (sp) is the IRS Collection Information Statement for Businesses used when a business files an Offer in Compromise. It gathers detailed financial data to evaluate the offer.

It captures the business’s balance sheet, profit‑and‑loss statement, cash flow, ownership information, and a narrative of its financial condition.

Risk Radar

Scan points
  • 1A single numeric error can void the entire Offer in Compromise.
  • 2Misstated asset values
  • 3Omitted liabilities
  • 4Incorrect ownership percentages
  • 5Unsigned or improperly signed form

Plain English

Think of this form as a detailed questionnaire the IRS asks a company to see if it can settle its tax debt for less than the full amount. You list assets, liabilities, income, and expenses so the IRS can decide if the offer is reasonable.

Submission Date

  • Filing date: 2026-04-23 11:10:42
  • 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

ownershipfinancialincomeoffer

Hover a term to preview the meaning.

What this form is for

  • Use when a business is submitting an Offer in Compromise.
  • Do not use for individual offers – individuals use Form 433‑A.
  • If the business is insolvent and filing for bankruptcy, use the bankruptcy-specific collection forms.

Form selector

Use this form or another form?

Individual taxpayer

Captures personal finances

✓ Verify taxpayer status before proceeding

Form 433‑A (OIC)

Business in bankruptcy

Tailored for bankruptcy trustees

✓ Use only when a bankruptcy case is pending

Form 433‑B (Bankruptcy)

Deadline or filing window

The IRS does not set a fixed deadline for submitting Form 433‑B (OIC) (sp); it must accompany the Offer in Compromise when the offer is made. Submitting late may result in the offer being treated as untimely and rejected.

  • —Total assets | sum of cash, inventory, equipment, etc. | Net asset value | Verify no double‑counting

Checklist

What you need before filling it out

1

Balance sheet

Most recent audited or prepared statement · Accounting records

⚠ Often omitted fixed‑asset depreciation✕ High
2

Profit‑and‑loss

Year‑to‑date income statement · Tax return Schedule C/1120

⚠ May exclude non‑recurring income✕ Medium
3

Cash flow

Monthly cash receipts and disbursements · Bank statements

⚠ Inconsistent periods cause errors✕ Medium
4

Ownership info

List of shareholders/partners · Corporate minutes

⚠ Missing % ownership details✕ High
5

Liabilities

List of all debts and obligations · Loan agreements

⚠ Secured vs. unsecured not distinguished✕ Medium

Before you submit

  1. 1Use the latest edition of Form 433‑B (OIC) (sp).
  2. 2Verify the OIC filing fee amount and include payment.
  3. 3Attach a current balance sheet and profit‑and‑loss statement.
  4. 4Include all required schedules (e.g., Schedule B, Schedule C).
  5. 5Confirm all asset and liability values are current and accurate.
  6. 6Ensure the authorized officer signs and dates the form.
  7. 7Check that the mailing address matches the OIC instructions.
  8. 8Make a certified‑mail copy with tracking number.
  9. 9Retain a complete PDF copy for your records.
  10. 10Cross‑check totals with the calculator field.
  11. 11Confirm no blank fields remain.
  12. 12Review for consistent ownership percentages.

How to file this form

  1. 1Gather latest financial statements, tax returns, and bank records.
  2. 2Download the current Form 433‑B (OIC) (sp) from IRS.gov.
  3. 3Complete each section, attaching required schedules.
  4. 4Calculate total assets and net equity using the provided calculator.
  5. 5Attach the OIC application fee payment.
  6. 6Sign the form as an authorized officer.
  7. 7Mail the package to the address in the OIC instructions, using certified mail.
  8. 8Save a scanned copy of the entire submission.

Known limitations

  1. 1Form does not calculate offer amount; separate OIC calculation required.
  2. 2IRS may request additional documentation after submission.
  3. 3Electronic submission is limited to certain IRS portals; most filings are paper‑based.
  4. 4The form does not accommodate foreign‑currency conversions automatically.

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 433‑B (OIC) (sp) is active for the 2024 tax year. The IRS updates the form periodically; verify the edition date before use.

What changed or needs a fresh check

  • Edition date – confirm the form is the latest version (check IRS website).
  • Fee – verify the current OIC application fee and any additional processing charges.
  • Mailing address – use the address specified in the OIC instructions for your state.
  • Signature block – ensure an authorized officer signs and dates the form.
  • Attachments – attach all required schedules and supporting documents.

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Quick Facts

The business entity (corporation, partnership, LLC, etc.) that is submitting an Offer in Compromise files this form.
It captures the business’s balance sheet, profit‑and‑loss statement, cash flow, ownership information, and a narrative of its financial condition.
The form is filed at the same time as the Offer in Compromise application, before the IRS makes a determination.
Submit the completed form with the Offer in Compromise packet to the IRS address listed in the OIC instructions, typically by certified mail or a secure electronic portal if the IRS allows it.
Errors or omissions can cause the offer to be rejected, delay processing, or result in a higher payment requirement.
Gather the most recent financial statements, tax returns, and bank records. Fill each section of the form accurately, attach required schedules, sign as an authorized officer, and include the filing fee. Mail the package to the address in the OIC instructions. Keep a copy for your records.

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After you file

  1. 1Track the mailing receipt and delivery confirmation.
  2. 2Log the submission date in your tax compliance calendar.
  3. 3Monitor IRS correspondence for acceptance, rejection, or request for more info.
  4. 4Keep all original documents and copies for at least seven years.
  5. 5Update internal financial records to reflect the OIC status.
  6. 6If the offer is rejected, review the IRS’s reason and consider a revised offer.
  7. 7Notify your accountant or tax professional of the filing outcome.

Sources

  • SRCForm title and purposeIRS official form description
  • SRCBusiness filing requirementIRS Offer in Compromise guidance
  • SRCEdition date locationIRS form download page
  • SRCFee amountIRS OIC fee schedule
  • SRCMailing addressOIC instructions PDF
  • SRCSignature requirementForm instructions section
  • SRCAttachment listForm 433‑B (OIC) (sp) instructions
  • SRCNot clearly stated in the provided official sourceelectronic submission options
  • SRCNot clearly stated in the provided official sourceexact risk levels for each mistake
  • SRCNot clearly stated in the provided official sourcedeadline specifics

Common confusion points

Form 433‑B vs. 433‑A

Business vs. individual

→ Verify entity type before starting

Asset valuation method

Tax basis vs. fair market value

→ Use the same basis throughout the form

Ownership percentages

Partners vs. shareholders

→ Confirm percentages add to 100%

Fee amount

OIC fee changes annually

→ Check current fee on IRS website

Mailing address

Different addresses for different states

→ Use address listed in the specific OIC{}

:

Workflow map

Related forms and next steps

4 signals

Before

Form 1120 (or 1065) – provides tax return data used in the 433‑B

Current

433-BOIS

After

IRS Offer in Compromise determination letter – follows review of 433‑B

Often used with

Offer in Compromise application packet – includes Form 656

⚠ If something goes wrong

  • Request for additional information (Form 433‑B supplemental) – sent by IRS

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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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