The Joint Committee on Taxation is a nonpartisan committee of the United States Congress. It was established to provide expert analysis and advice on tax policy and legislation. The committee plays a crucial role in evaluating the financial implications of proposed tax laws and helps lawmakers understand the potential effects on the economy and taxpayers. The committee consists of members from both the House of Representatives and the Senate, ensuring a collaborative approach to tax issues. It produces reports and estimates that inform Congress about the revenue effects of tax proposals, contributing to more informed decision-making in the legislative process.