How long does it usually take for the IRS to audit your tax return
Usually, it takes 4-6 weeks for the IRS to process your income tax return. Longer if filed during March and April. The IRS has 3 years from the due date to audit you.Usually, after about 2 years after filing, you may get an audit letter.onger if filed during March and April. The IRS has 3 years from the due date to audit you. Usually, after about 2 years after filing, you may get an audit letter.