This excerpt taken from the BP 6-K filed Aug 9, 2007.
BP p.l.c. AND SUBSIDIARIES
The following updates the legal proceedings section of BP's Annual Report on Form 20-F for the year ended 31, December 2006:
The US Commodity Futures Trading Commission and the US Department of Justice are currently investigating various aspects of BP’s commodity trading activities, including crude oil trading and storage activities, in the US since 1999, and have made various formal and informal requests for information. BP has provided, and continues to provide, responsive data and other information to these requests.