DETROIT - The United Auto Workers (UAW) and a group of people that have sued the city in a Michigan state court alleging that the city's Chapter 9 bankruptcy is unconstitutional on Dec. 17 filed a joint brief in the U.S. Bankruptcy Court for the Eastern District of Michigan contending that they should be permitted to appeal directly to the Sixth Circuit U.S. Court of Appeals the Bankruptcy Court's ruling that the city is eligible to file for bankruptcy (In Re: City of Detroit, No. 13-53846, Chapter 9, E.D. Mich. Bkcy.).