Every Document You Need to Defend Yourself During an Audit
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Defending yourself during an Internal Revenue Service audit can be a time-consuming, stressful affair — but audits aren’t too common. During the 2016 fiscal year, the IRS audited nearly 1.2 million tax returns, which is just 0.6 percent of all returns filed.

Keeping good records and maintaining organized documents are crucial to protecting yourself if you’re audited. The trick is knowing what records to keep and how long you should keep them. In the event of an audit, here’s what you need to know about which documents you need and which tax receipts to save.

What Is a Tax Audit?

So, what is auditing? A tax audit is a review of your accounts and financial information by an IRS agent or state auditor to make sure you correctly reported your income, expenses and credits in accordance with tax laws. You should generally keep tax-related documents for three years from the date you filed your return, according to the IRS.

Documents You’ll Need to Defend Yourself During an Audit

To defend yourself during an IRS tax audit, you’ll need documentation for what you claimed on your return. “If a filer can have any and all tax-related documentation organized prior to completing his or her return, it will help to save time, stress and uncertainty about the information being included,” said Andrew Oswalt, certified public accountant and tax analyst for TaxAct, a tax preparation software company.

Whether you bank online or receive hard copies of your bank account statements, keep all relevant proof of what you spend and where. In addition, save the following important documents required for a tax audit:

  • Receipts: Receipts prove what you spent your money on, so keep bank account and credit card statements, retail receipts and donation receipts from charitable organizations.

  • Bills: You can show you paid bills through ATM, credit card and debit card receipts, or you can provide the actual bills for which you claimed deductions.

  • Canceled checks: Keep canceled checks you’ve written to pay for a home or fees associated with the sale of a home, renovations and nondeductible contributions to an individual retirement account. Also save canceled checks you’ve used to pay for charitable contributions, tax payments and alimony for at least the last seven years.

  • Loan agreements: In addition to your home mortgage loan documents, keep any paperwork associated with a second home and personal, business and car loans, even if they’re paid off. This kind of paperwork is good to keep even if you don’t get audited — just in case you have a loan dispute down the road.

  • Logs: If you’re claiming a mileage deduction for business, moving, medical or charitable purposes, you’ll need to keep a trip log. In addition, you might need a log for your gambling winnings and losses if you’re writing them off.

  • Investment statements: Save proof of all stock and bond purchases. If you’re taking deductions for worthless securities, keep those records for at least seven years.