The main purpose of this legislation, known as the Tax Court Parity Act, is to clarify and expand the authority of the Tax Court in the United States to provide relief from its own judgments or orders. This aims to ensure that individuals and entities have a fair opportunity to correct mistakes or address issues that may arise after a decision has been made. Key provisions of the act include several important changes. First, the Tax Court is given the ability to correct clerical mistakes or oversights in its judgments or orders without needing to notify the parties involved.