DETROIT - The bankruptcy City of Detroit on Sept. 17 filed a brief in the U.S. Bankruptcy Court for the Eastern District of Michigan contending that it has authority to file for Chapter 9 bankruptcy and saying that the Official Committee of Retirees "misconstrues" the standard of eligibility (In Re: City of Detroit, No. 13-53846, Chapter 9, E.D. Mich. Bkcy.).