It wasn't subverted. The bill was written in a way that gave POTUS complete control of it. That's the only reason the law was proposed to begin with.
> The bill was approved with bipartisan support, but some Republicans and most House Democrats voted against the law, arguing that it contained a trap door, a provision that would allow Trump to suspend the prescribed sanctions at will.
> The bill was approved with bipartisan support, but some Republicans and most House Democrats voted against the law, arguing that it contained a trap door, a provision that would allow Trump to suspend the prescribed sanctions at will.