The parent and all subsidiaries must file Form 1122 to elect to file a consolidated return in the first year of election.

Numerous subsidiaries, including the brokerage firm, subsequently filed for bankruptcy.

A subsidiary of Stec's Peak Fitness filed Chapter 11 bankruptcy, citing between $500,000 and $1 million in debt.

In June 2009, R.H. Donnelley Corporation and its subsidiaries filed for bankruptcy.

The company's subsidiaries did not file for Chapter 11, but they are considering restructuring options.

On Dec. 9, UAL and its subsidiaries filed for Chapter 11 reorganization.

General Motors Corporation and its other subsidiaries filed in the same court moments later.

The subsidiaries would file for Chapter 11 bankruptcy protection, sparing the parent company.

Caught in a vise, Columbia Gas and its subsidiary filed for bankrupty protection when it began to run out of cash.

Olympia & York, which is based in Toronto, and its main British subsidiary filed for the equivalent of bankruptcy court protection earlier this year.