No, but they will have unscheduled and unannounced visits to the mines to ensure that the workers there are not children. Unless the mining company somehow has

No, but they will have unscheduled and unannounced visits to the mines to ensure that the workers there are not children. Unless the mining company somehow has a mole working inside the company, it'll be hard to react that quickly to a surprise visit. That's what they do with their other suppliers that they have direct connections to. They're attempting the same with Foxconn and, supposedly, it's improved the conditions for those workers significantly.