IRS Forms

Form 433-A Instructions: A Plain-English, Line-by-Line Walkthrough (2026)

By Angeline Balsitis, EA · Reviewed by Melissa Ly, Chief Tax Officer · Updated March 18, 2026 · Editorial Standards

What Form 433-A is and why the IRS wants it

Form 433-A is the Collection Information Statement the IRS uses to take a full picture of your finances. It's the financial questionnaire behind most serious tax-debt solutions. If you're following these Form 433-A instructions, you're probably trying to set up a larger payment plan, ask for hardship status, or apply for an Offer in Compromise — and the IRS won't move forward until it sees your real numbers.

The official form and current revision live on the IRS site at About Form 433-A. The IRS uses one simple comparison: your monthly income minus your allowable living expenses. Whatever is left over is what the IRS believes you can pay each month. That single calculation drives your entire case.

There's a related version called Form 433-A (OIC), used specifically for Offer in Compromise applications. The OIC version asks similar questions but calculates a settlement figure. Make sure you're using the right one for what you're trying to do.

433-A vs. 433-F vs. 433-B — which form do you need?

People mix these up constantly. Here's the plain version:

• Form 433-F — the short Collection Information Statement, often used for routine installment agreements set up by phone or mail.
• Form 433-A — the long, detailed statement for wage earners and self-employed individuals. Used for bigger balances, complex finances, hardship requests, and Offers in Compromise.
• Form 433-B — the version for businesses, not individuals.

If you owe under about $50,000 and can pay it off within 72 months, you may qualify for a streamlined installment agreement with no financial disclosure at all. In that case, you may not need Form 433-A. When the balance is larger or you want hardship relief, expect to complete the full form.

Documents to gather before you start

Filling out Form 433-A is far easier when your paperwork is in front of you. Pull these together first:

• Last three months of pay stubs (and your spouse's, if filing jointly).
• Last three months of bank statements for every account.
• Your most recent mortgage statement or lease, plus utility bills.
• Car loan or lease statements and current vehicle values.
• Credit card, personal loan, and student loan balances.
• Retirement, brokerage, and life insurance statements.
• For the self-employed: a recent profit-and-loss summary and business bank statements.

Every number on the form should match a document you can hand the IRS. Mismatches are the number-one reason cases stall.

A section-by-section walkthrough

The form is long, but it breaks into manageable parts. Here's what each section is really asking.

1. Section 1 — Personal Information. Your name, address, Social Security number, marital status, and the people who live in your household. This sets your family size, which affects your allowable expense amounts.
2. Section 2 — Employment. Where you and your spouse work, how often you're paid, and how long you've been there. Wage earners spend most of their time here.
3. Section 3 — Other Financial Information. Lawsuits, bankruptcies, transfers of assets, safe deposit boxes, and anticipated income changes. Answer honestly — the IRS cross-checks this.
4. Section 4 — Personal Asset Information. Bank accounts, investments, retirement accounts, life insurance, real estate, vehicles, and valuables. List current values and any loan balances against them.
5. Sections 5 & 6 — Business Information (self-employed only). Business accounts, accounts receivable, and assets. Skip these if you're strictly a wage earner.
6. Section 7 — Monthly Income and Expenses. The heart of the form. Your gross monthly income on one side, your living expenses on the other. The IRS limits many expenses to national and local collection financial standards rather than what you actually spend.

How the income-minus-expenses math actually works

This is where a worked example helps. Say a single filer with no dependents brings home $4,500 a month. The IRS allows certain living expenses — but capped at its standards, not your real bills:

• Food, clothing, and household items (national standard): $800
• Housing and utilities (local standard cap): $1,900
• Vehicle ownership and operating cost (standard): $900
• Health care and out-of-pocket medical: $150

Allowable expenses total $3,750. Income of $4,500 minus $3,750 leaves $750. In the IRS's eyes, that $750 is what you can pay each month. If your real housing cost is $2,400 but the local cap is $1,900, the IRS may only count $1,900 — which is exactly why people overstate their ability to pay by accident. Knowing the standards before you write your numbers can change the result.

How to fill out and submit Form 433-A, step by step

1. Confirm you need the long form. If you owe under about $50,000 and can pay within 72 months, ask about a streamlined plan first — you may skip 433-A entirely.
2. Gather your three months of documents (above) before you write a single number.
3. Fill every line. Write "N/A" where something doesn't apply — never leave blanks the IRS can question.
4. Check your expenses against the IRS standards so you don't accidentally overstate what you can pay.
5. Sign and date it. An unsigned form is treated as not filed. Both spouses sign on a joint statement.
6. Attach copies, not originals, of your supporting documents.
7. Submit to the address or revenue officer who requested it and keep a complete copy for yourself.

If you're dealing with active collection letters alongside this form, it helps to understand the bigger picture — our guide to the order of IRS collection letters shows where you are in the sequence. If a CP504 notice or LT11 final notice is in the mix, your 433-A may be the key to stopping a levy before it starts.

Common mistakes that delay your case

A few errors come up again and again:

• Leaving assets off. Forgetting a retirement account or second vehicle looks like hiding money. List everything.
• Numbers that don't match the documents. If your stated income differs from your pay stubs, expect questions and delays.
• Overstating expenses the IRS won't allow. The standards cap many categories. Padding them gets your figures rejected.
• Skipping the signature or sending an outdated revision of the form.
• Letting the deadline slide. If you can't finish in time, call and ask for an extension before the date passes.

Form 433-A questions, answered

This guide is general information, not tax or legal advice for your specific situation. Eligibility for IRS programs depends on individual facts and circumstances; no outcome is guaranteed.

Related: see our guides to the order of IRS collection letters, the CP504 Notice of Intent to Levy, and the LT11 final notice — or browse all guides.