The company and its domestic subsidiaries filed voluntary Chapter 11 petitions along with a pre-negotiated Plan of Reorganization in the United States Bankruptcy Court for the Northern District of Georgia on May 31 , 2009 . The cases will be jointly administered and the main case has been assigned case number 09-73830 . Additional information about Caraustar 's restructuring is available at the company 's website http : / / www.caraustar.com / restructure.html or via the company 's restructuring information line , 1-800-251-2580 .