There are four different types of IRS tax audits. The commission chooses tax returns on the basis of a number of rather complicated references What is tax audit? Tax audit is also referred to as a taxpayer exam, is the examination procedure of an organisation or a tax return of an individual to ensure that all data reported is accurate. How many types of tax audits are there? Four kinds of tax audits, they are 1. IRS correspondence audit. 2. IRS Office Audit 3. IRS Field Audit 4. TCMP Audit 1. IRS Correspondence Audit The Internal Revenue Service correspondence audits which is also known as the Campus Examination, represent nearly 75 percent of the tax investigations conducted by the commission. 2. IRS Office Audit IRS Office audits are face-to-face sessions held in the Internal Revenue Service office. This is a serious audit form and quick responses are crucial for a swift resolution. 3. IRS Field Audit It is believed that the Internal