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Official form guide
IRS Form 433B is a Collection Information Statement for Businesses used by the IRS to assess a business's ability to pay a tax debt. It must be filed by businesses that owe taxes and cannot pay in full, providing financial details like assets, income, and expenses. The form collects information from the current month and the past three months.
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IRS Form 433B is a Collection Information Statement for Businesses used by the IRS to assess a business's ability to pay a tax debt. It must be filed by businesses that owe taxes and cannot pay in full, providing financial details like assets, income, and expenses. The form collects information from the current month and the past three months.
Plain English
IRS Form 433B is a form your business fills out to show the IRS your financial situation, like what you own and what you earn. You use it when you owe taxes and can't pay all at once, so the IRS can decide if you qualify for a payment plan or other help. It helps the IRS understand your ability to pay.
Submission Date
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Situation
Why it matters
✓ Check before you continue
Business is a sole proprietorship
The IRS uses a shorter financial statement for individuals not incorporated. Filing the wrong form may delay the collection process.
✓ Confirm your business structure is a sole proprietorship, not a corporation or partnership.
Business wants to propose an installment agreement
This form provides the IRS the financial data needed to determine a monthly payment amount. Incomplete data leads to rejection.
✓ Ensure all income and expense figures are supported by bank statements or ledgers.
Business has multiple tax periods owed
The IRS uses one comprehensive financial snapshot to assess ability to pay all balances. Gaps in reporting can trigger a full financial investigation.
✓ List each tax period and the corresponding balance due on the attached schedule.
Not stated in the official source. The filing window is generally set by the IRS when they request the form, so follow the specific deadline provided in the IRS letter or communication.
Checklist
Field or section
Document or info needed · Usually found in
Business name and EIN
IRS CP notice or prior tax return · Previous tax return or IRS correspondence
Assets section (cash, accounts receivable)
Bank statements and accounts receivable aging report · Bank portals and accounting software
Liabilities section (loans, credit cards)
Loan statements and credit card bills · Lender websites or monthly statements
Monthly income (gross receipts)
Profit-and-loss statement or bank deposit records · Accounting software or bank statements
Monthly expenses (rent, payroll)
Lease agreements and payroll summaries · Lease contracts and payroll service reports
Business real estate owned
Deed and recent appraisal or tax assessment · County assessor or title company
Signature and date
Authorized signatory (owner, officer, or attorney-in-fact) · Corporate or partnership documents
Field map
General Info
2 items
Full legal name and taxpayer identification number (SSN or EIN).
Current mailing address.
Details
2 items
Complete all applicable sections of this form according to the official IRS instructions.
Enter the relevant dollar amount if this form involves tax calculation.
Certification
1 items
Read and acknowledge any certifications required by this form.
Signatures
1 items
Sign and date. Unsigned forms cannot be processed.
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Fillable formOpen in Editor->The official source does not reference a specific revision date for IRS Form 433B. Check the IRS website for the latest edition before filing.
Quick Facts
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Why it happens
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Do I include personal assets on a business form?
The form asks for business assets, but sole proprietors often intermix personal and business property.
→ Read the instructions for each asset line—if the form says 'business assets only,' do not list personal items.
What if my business has zero income this month?
The filer may think they can leave the income section blank.
→ Enter $0 and write a note explaining the reason for no income (e.g., seasonal closure).
Do I have to list debts that are being disputed?
The filer might exclude disputed liabilities thinking they are not relevant.
→ List all debts, even disputed ones, and add a separate statement explaining the dispute.
Can I mail the form to any IRS address?
The form does not print a specific address, and filers may use outdated instructions.
→ Use the address provided on your IRS notice or call the IRS Business Tax Line (800-829-4933) to confirm.
What if I am a partnership? Who signs?
The form has a single signature line, but partnerships require a general partner.
→ The partnership agreement or state law dictates who is authorized; if in doubt, have all general partners sign.
How do I calculate 'current month'?
The filer may use the prior month's data if the current month is not yet complete.
→ Use the most recent full calendar month—if filing on the 15th, the previous month is the current month for this purpose.
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⚠ If something goes wrong
IRS Form 433B is a form your business fills out to show the IRS your financial situation, like what you own and what you earn. You use it when you owe taxes and can't pay all at once, so the IRS can decide if you qualify for a payment plan or other help. It helps the IRS understand your ability to pay.
Any business that owes a tax debt to the IRS and cannot pay the full amount must file Form 433B. This form is typically requested by the IRS as part of collection activities.
Form 433B collects detailed financial information including business assets, liabilities, income, and expenses. It requires listing assets like cash, accounts receivable, inventory, and real estate, as well as monthly income and expense figures.
Complete Form 433B by providing current business financial information, including bank statements and profit/loss data. Fill out each section fully, signing and dating the form where indicated. Attach all required supporting documents, like bank statements for the previous three months.
Failing to file Form 433B when requested by the IRS can lead to enforcement actions such as levies or liens on business assets, as the IRS may not consider alternative payment options without this information.
Why it happens Safe check
The form asks for business assets, but sole proprietors often intermix personal and business property. Read the instructions for each asset line—if the form says 'business assets only,' do not list personal items.
The filer may think they can leave the income section blank. Enter $0 and write a note explaining the reason for no income (e.g., seasonal closure).
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