What Does Circular 230 Say About Contingent Fees? § 10.27(b) of Circular 230 prohibits contingent fees as they relate to any matter before the IRS, except in the following situations where a practitioner renders services in connection with: An IRS examination of an original tax return.
The average contingency rate falls between 20-40%, with most lawyers charging around 33% to 35% of the total amount recovered in a case. The exact percentage can vary depending on the complexity of the case, the lawyer's experience, and the stage at which the case is resolved.