Bloomberg Businessweek reports U.S. companies scramble to vouch for minerals mined in the Congo to comply with a Dodd-Frank provision.

The market news is quoted as saying,

Michael Loch’s job has just become much more complicated. In the past year, the director of supply chain corporate responsibility for Motorola Solutions has made two trips to the Democratic Republic of the Congo, where rebel groups and government forces have been locked in a 15-year-long war that has killed millions and created a huge humanitarian crisis. Last month, Loch journeyed to a mine in southern Katanga province to comply with a new U.S. regulation that will soon require companies such as Motorola Solutions, Advanced Micro Devices, and Apple to make sure purchases of minerals commonly used to make electronic gear and gadgets—tantalum, tin, tungsten, and gold—don’t financially benefit Congolese warlords.

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