RE:Here it is in black and white. NO REVENUE FROM 2018 LAW. https://www.bloomberg.com/news/articles/2018-05-29/miners-warn-congo-it-faces-3-billion-revenue-loss-over-new-law
How about this one:
“The claims for damages intended to cover the consequences of the harms suffered will be much higher than the gains that the government can expect from the application” of the new law, it said. “The damages demanded by the mining companies will be payable immediately and in full.”
It's the Congo. You don't bring a machete to an AK-47 fight.