government (in particular, the Chancellor of the Exchequer Alastair Darling and the CEO of the Financial Services Authority Hector Sants) refused to allow the transaction at the last minute, quoting stockholder regulations in the UK, despite a deal having apparently been completed. The next day, Sunday, September 14, the International Swaps and Derivatives Association (ISDA) offered an exceptional trading session to allow market participants to offset positions in various derivatives on the condition of a Lehman bankruptcy later that day. Although the bankruptcy filing missed the deadline, many dealers honored the trades they made in the special session. Shortly before 1 am Monday morning (UTC−5), Lehman Brothers Holdings announced it would file for Chapter 11 bankruptcy protection citing bank debt of $613 billion, $155 billion in bond debt, and assets worth $639 billion. It further announced that its subsidiaries would continue to operate as normal. A group of Wall Street firms agreed to provide capital and financial assistance for the bank's orderly liquidation and the Federal Reserve, in turn, agreed to a swap of lower-quality assets in exchange for loans and other assistance from the government. The morning witnessed scenes of Lehman employees removing files, items with the company logo, and other belongings from the world headquarters at 745 Seventh Avenue. The spectacle continued throughout the day and into the following day. Brian Marsal, co-chief executive of the restructuring firm Alvarez and Marsal was appointed as Chief restructuring officer and subsequently Chief executive officer of the company. Later that day, the Australian Securities Exchange (ASX) suspended Lehman's Australian subsidiary as a market participant after clearing-houses terminated contracts with the firm. Lehman shares tumbled over 90% on September 15, 2008. The Dow Jones closed down just over 500 points on September 15, 2008, which was at the time the largest drop in a single day since the days following the attacks on September 11, 2001. In the United Kingdom, the investment bank went to administration with PricewaterhouseCoopers appointed as administrators. In Japan, the Japanese branch, Lehman Brothers Japan Inc., and its holding company filed for civil reorganization on September 16, 2008, in Tokyo District Court. On September 17, 2008, the New York Stock Exchange delisted Lehman Brothers. On March 16, 2011 some three years after filing for bankruptcy and following a filing in a Manhattan U.S. bankruptcy court, Lehman Brothers Holdings Inc announced it would seek creditor approval of its reorganization