When the IRS reviews your tax return, the type of audit you face often shapes your experience. While the IRS operates across the country, including in Texas, federal rules guide the process. Most reviews fall into a few categories, but two of the most common are correspondence audits and field audits. Each follows a different process and may require a different level of effort from you.
What happens during a correspondence audit?
A correspondence audit usually starts with a formal IRS notice, such as Letter 525 or a CP2000. This type of review often focuses on a narrow issue instead of your entire return. For instance, the IRS may try to confirm income, credits or deductions that do not match its records.
In many cases, you can handle the process by mail or through the IRS online portal. You gather your documents and send copies to support your position. As a result, you may not need to meet with an IRS agent in person.
A correspondence audit often involves:
- Responding to IRS notices within the stated deadline, often about 30 days
- Providing copies of receipts, forms or other financial records
- Addressing a small number of items on your tax return
This approach may feel more manageable since it limits direct contact. Still, clear and timely responses can help keep the process moving.
How does a field audit work?
A field audit usually involves a more detailed review of your finances. In this situation, an IRS agent visits your home, business or accountant’s office to review your records. Unlike a correspondence audit, a field audit may cover several areas of your return. In some cases, the agent may also review other tax years if issues arise.
During a field audit, you often need to organize and present a wide range of original documents. The agent may also ask questions about your financial activity or business operations to better understand your return.
A field audit often includes:
- In person meetings with an IRS revenue agent
- A broader review of income, expenses and financial records
- Requests for more documents during the review
Because of its scope, a field audit may take more time and preparation than a mail based review.
Why the differences matter for you
The type of audit you receive can affect how much time and effort you spend on the process. A correspondence audit usually focuses on a narrow issue and relies on written communication. In contrast, a field audit often involves a deeper review and more direct interaction.
Federal law, including Internal Revenue Code, allows the IRS to review records and gather information to check tax returns. At the same time, the Taxpayer Bill of Rights gives you certain protections, such as the right to seek representation during the process. How the IRS applies its authority may vary based on the type of audit.
Staying prepared for a review
No matter which type of audit you face, staying organized may help reduce stress. You might keep clear records, review IRS notices with care and respond within the required time frame to protect your options. Each tax dispute situation can differ, but understanding how these audits work may give you a clearer sense of what to expect.

