A CPA, attorney, or enrolled agent may represent you before the IRS. It is not uncommon for an individual or business to be audited or for the IRS to ask for additional information. This doesn't always mean that you or your tax preparer did something wrong. However, having a CPA, attorney, or enrolled agent assist you with the information the IRS is Requesting as well as with proceedings is your best bet at a successful outcome.
IRS Publication 1, Your Rights as a Taxpayer, includes a full list of taxpayers’ rights.
It includes The Right to Retain Representation.
Taxpayers have the right to retain an authorized representative of their choice to represent them in their dealings with the IRS. Taxpayers have the right to seek assistance from a Low Income Taxpayer Clinic if they cannot afford representation.
What you can expect:
To find out more about the TBOR and what it means to you visit: http://www.taxpayeradvocate.irs.gov.
The IRS offers Publication 1, Your Rights as a Taxpayer, in several languages.
By making this important publication available in multiple languages, the IRS hopes to increase the number of Americans who know and understand their rights under the tax law. The IRS has more tax information in other languages too. See the “Languages” menu at the top of any IRS.gov page.
The IRS also is committed to protecting taxpayers’ civil rights. The IRS will not tolerate discrimination based on age, color, disability, race, reprisal, national origin, English proficiency, religion, sex, sexual orientation or status as a parent. This includes any contact with IRS employees and the staff or volunteers at community sites.