For sure, but in practical terms these types of dealings often have middle men and the end buyer is often not known (by design). Everything I know is from podca

For sure, but in practical terms these types of dealings often have middle men and the end buyer is often not known (by design). Everything I know is from podcasts and books, so I'm not an authority on the subject - though I would point out that the enormous amount of red tape in the west tends to be something that westerners seem to project onto the rest of the world. In much of the world, things are just far more loose.