Internal Revenue Service (IRS) is a U.S. federal agency founded in 1862 responsible for the collection of taxes and enforcement of tax laws. IRS lawyers have different rates. Approximately the range between $200 to $400 per hour. It varies to their experience and capabilities. Some highly experienced lawyers set their hourly rates at $1000 or more which is very exception. Before you hire a lawyer negotiate about the flat fee. Useful tips on managing taxes and how to benefit from them: your paycheck should be consistent, it is better to find a professional to file your taxes, you can opt for an alternative to a payable professional, your beneficiary designations should be updated, increasing retirement plan contributions is worth considering, avoiding frauds and tax scams, bunching deductions are very convenient, taking the required minimum distributions (RMDs) from the account is helpful, the best long-term solution is converting IRA To a Roth and ignoring the IRS may have disastrous consequences.