What Happens After an IRS Audit Is Complete?

An IRS audit can feel like the longest part of a tax problem, but the final meeting or document submission is not always the end. If you are asking what happens after IRS audit review is complete, the answer depends on the examiner’s findings, whether you agree with them, and how quickly you respond to the notices that follow.

For individuals, self-employed professionals, and small business owners, the next step may be as simple as receiving a no-change letter. In other cases, it can involve signing an agreement, challenging a proposed adjustment, arranging payment, or preparing for collection activity. Knowing which document you received - and its deadline - helps you make a measured decision instead of reacting under pressure.

The IRS Issues Its Audit Findings

At the end of an audit, the IRS generally provides a written explanation of its findings. This may happen during an in-person or phone examination, through the mail after a correspondence audit, or through a formal report. The result usually falls into one of three categories: no change, an agreed change, or a proposed change you do not accept.

A no-change result means the IRS accepted the return as filed. Keep the closing letter and the records used to support the return. The audit is generally closed unless the IRS later identifies a separate issue.

An agreed change means the IRS found an adjustment and you accept it. The adjustment could increase tax, reduce a refund, or occasionally result in a refund if the review shows you overpaid. Before signing anything, make sure you understand exactly which year, income item, deduction, credit, or payroll issue is being changed.

A proposed change means the examiner believes you owe additional tax, penalties, and interest, but you have not agreed. This is the point where deadlines and documentation matter most. A proposed adjustment is not always the final word.

What Happens After an IRS Audit When You Agree

When you agree with the audit findings, the IRS will ask you to sign the appropriate consent form. For many income tax audits, this is Form 870, Consent to Proposed Tax Adjustment. Signing generally allows the IRS to assess the additional tax without sending the case through the standard deficiency process.

After the assessment is processed, the IRS sends a bill that includes any tax due, interest, and applicable penalties. Interest generally continues to accrue until the balance is paid in full, so prompt payment can limit the total cost.

Paying in full is the cleanest resolution when it is financially realistic. If it is not, taxpayers may qualify for an installment agreement or another payment arrangement. The right option depends on the amount owed, your income, available assets, other outstanding tax debts, and whether required returns have been filed. Do not ignore the bill simply because full payment is not possible. The IRS is more likely to work with a taxpayer who files, responds, and communicates promptly.

For a small business, an audit adjustment can also affect bookkeeping and future tax planning. For example, disallowed expenses may reveal that personal and business transactions were not properly separated, while payroll adjustments can require a review of payroll procedures and records. Correcting the underlying process can reduce the likelihood of another issue later.

If You Disagree With the Audit Results

You have the right to disagree with an audit finding. The best response is not necessarily to reject every adjustment. It is to evaluate the examiner’s reasoning, compare it to your records and the tax law, and contest the items you can support.

The 30-Day Letter and IRS Appeals

If the examination division proposes changes and you do not agree, you may receive a 30-day letter. This letter explains the adjustments and gives you an opportunity to request a conference with the IRS Independent Office of Appeals. Appeals is separate from the examination function and works to resolve disputes without litigation when possible.

A written protest may be required, particularly for larger disputed amounts. Your response should clearly identify what you disagree with, explain why, and include documents that support your position. Good records can include bank statements, receipts, mileage logs, invoices, contracts, payroll reports, prior returns, and proof of payment. The useful evidence depends on the issue being reviewed.

Appeals is often a practical path when there is a genuine factual or legal disagreement. It is not a venue for delaying a bill without support. An experienced tax professional can help assess whether the adjustment is incorrect, whether a settlement is reasonable, and which records will carry the most weight.

The Notice of Deficiency and the 90-Day Deadline

If the dispute is not resolved, the IRS may issue a Notice of Deficiency, often called a 90-day letter. This notice is serious. It gives you 90 days to file a petition with the United States Tax Court, or 150 days if the notice is addressed outside the United States.

If you file a timely Tax Court petition, the IRS generally cannot assess and collect the disputed deficiency while the case is pending. If you do not petition by the deadline, the IRS can assess the tax and begin the normal billing and collection process.

The 90-day period is a strict legal deadline. Calling the IRS, mailing additional records, or negotiating with an examiner does not automatically extend it. Anyone who receives a Notice of Deficiency should seek professional guidance quickly, especially when the amount at issue is significant or the dispute involves a business, rental property, self-employment income, or complex deductions.

Penalties and Interest May Continue to Grow

An audit adjustment can include more than additional income tax. The IRS may propose accuracy-related penalties, late-payment penalties, or other penalties based on the facts of the case. Penalties are not automatic in every audit, and there may be grounds to request abatement when a taxpayer acted with reasonable cause and in good faith.

Interest is different. It generally applies by law and continues to accumulate on unpaid tax. Even when you plan to appeal or request a payment plan, understanding the growing balance helps you evaluate the cost of each option.

Do not assume a penalty notice must be accepted without review. Documentation showing reliance on qualified advice, a serious illness, records lost through circumstances outside your control, or other reasonable-cause factors may matter. Each request is fact-specific, so the explanation and supporting records should be prepared carefully.

An Audit Can Lead to Future Tax Changes

Once an audit ends, use the result as a practical checkpoint. A recurring deduction issue, missing documentation, or incorrect classification of workers can create problems beyond the audited year. The IRS may also examine other years when similar issues appear, although it must follow applicable statutes of limitation and procedures.

For self-employed taxpayers and business owners, stronger recordkeeping is usually the most valuable next step. Maintain a separate business bank account, retain receipts and invoices, reconcile books regularly, document business mileage, and review payroll and sales tax responsibilities on schedule. These habits support accurate returns and give you usable financial information throughout the year.

New York tax matters may require separate attention as well. An IRS adjustment can affect your New York return, and the state may need to be notified of certain federal changes. The federal audit closing letter does not automatically resolve a state tax issue.

When to Get Representation After an Audit

Professional representation can be especially helpful when you disagree with the findings, cannot pay the assessed amount, receive a 30-day or 90-day letter, or face questions involving business expenses, payroll, foreign income, estate matters, or multiple unfiled returns. Representation can also reduce the strain of communicating with the IRS while you focus on work, family, or running your business.

A qualified tax professional can review the audit report, organize supporting records, communicate with the IRS when authorized, and help you choose between agreement, appeal, payment arrangements, or other available remedies. At Burkin's Tax & Accounting, clients can receive practical support that considers both the immediate notice and the financial steps that follow.

The most helpful action after an audit is usually simple: open every IRS notice, preserve your records, and respond before the stated deadline. A clear plan now can protect your options and put your tax situation on steadier ground.