The OECD publishes guidelines for how multinational enterprises should act.

FORBES: How Enough Project and Global Witness Make Life Harder In Congo

New regulations likely to be proposed by the State Department next year may follow guidelines being drafted by the UN and the OECD, a rich-country club, that will advise companies on how best to trace the origin of their materials.

ECONOMIST: Congo's conflict minerals

Even now, the government guidelines issued to British firms on how to apply the act are raising unhappy eyebrows at the OECD.

ECONOMIST: The OECD and corruption