The IRS uses Letter 3025C to inform you of some inquiry concerning your case. It is often confusing exactly what they are doing or what they want you to do. So, you must follow up with them - don't depend on the IRS for advice, direction or action.
If you agree with the IRS then there is no need to hire an attorney. But, if you have questions or problems, TaxHelpLaw can assist you. Please review carefully what the IRS is stating & what they are requesting. Please follow the Prep Steps & get an Action Plan for your specific situation.