The Taxpayer Advocate Service (TAS) is an independent organization within the Internal Revenue Service (IRS) that helps taxpayers resolve issues with their tax accounts. It provides assistance to individuals who are experiencing difficulties with the IRS, ensuring that their rights are protected and that they receive fair treatment. TAS also works to identify systemic problems within the tax system and advocates for changes to improve taxpayer experiences. The service is available to anyone who feels they are not receiving adequate help from the IRS, making it a valuable resource for navigating tax-related challenges.