This excerpt taken from the BHP 20-F filed Oct 3, 2005.
We have adopted a Code of Ethics that applies to all senior executives including the Chief Executive Officer, Chief Financial Officer and Vice President Group Accounting/Controller. The Code of Ethics is referred to as the BHP Billiton Guide to Business Conduct and can be accessed in the BHP Billiton internet site at: www.bhpbilliton.com.
During the fiscal year ended 30 June 2005, we amended our Code of Ethics to incorporate amendments to our Charter which were also made in that fiscal year. Those amendments clarify the following aspects of our Charter as follows: