Tensions have mounted between the Mongolian government and its fellow shareholders in Oyu Tolgoi, where Rio Tinto is operating a huge underground extension.
The President has 15 days from the time parliament sends him the bill to either sign it into law or return it to parliament for further deliberation. If he takes no action, the bill automatically becomes law.
The DRC's attempts to extract more from cobalt will unleash a wave of unintended consequences, none of which will be positive for the government in Kinshasa.