By Eileen Martin ( September 29, 2026, 10:02 AM EDT) -- In general, a writ of mandamus (“mandamus”) is a formal court order that requires a government official, an agency or a lower court to take a specific action. The action must be within the duties of the office, agency or court, and there must be a legal requirement that the action be performed. Mandamus is extraordinary relief and is effectively utilized when there is a clear legal duty to be performed, a clear right to relief on the part of the petitioner, and the petitioner appears to have no alternative to obtain the relief they deserve....