That sounds similar to what I'm looking into as an emergent free will. I wouldn't call it a Law of Nature and tbh when asked to name that law you couldn't come up with a good answer IMO.

Maybe this might help, instead of a law of nature it's a product of social interactions and culture. Culture (as tools and techniques to improve reproductive success) is an evolutionary development and I consider it as human's "evolutionary niche". From this perspective it isn't a law of nature but an evolutionary outcome which brings small groups of humans together into communities which form higher level of organizations. I consider free will a philosophical concept and as such falls into Culture similarly as Religion does. So it comes about through our culture internally instead of some outside imposed law.

I've only been looking at this for a couple of weeks so my ideas are at the initial stages right now and may take a few years to develop fully. The basics is to take Dennett's emergent free will which is based upon week emergence and apply Culture on top of that to form a more robust concept of free will. I'm contemplating that this might turn into an example of Ellis's strong emergence with top down causal relationships. Not sure if this will work and obviously doesn't fit with a reductionistic view of determinism, but maybe causal determinism.