Department of Revenue (varies by state)

The Department of Revenue is a government agency found in each U.S. state that oversees the collection of taxes and the administration of tax laws. Its main responsibilities include processing tax returns, enforcing tax compliance, and managing state revenue through various taxes, such as income, sales, and property taxes. The department also provides information and assistance to taxpayers to ensure they understand their obligations and rights. Overall, it plays a crucial role in funding state services and programs, helping to maintain the state's financial health.