The treaties that govern space allow private individuals and corporations to travel the stars, but only with the licensure and legal backing of an earthbound government. It’s similar that way to the laws of the sea. And today, on Earth’s oceans, more than 11 percent of all the tons of freight shipped is carried on boats that fly the Liberian flag.1 In exchange for lower taxes and looser regulations, both the shipping companies of the present and the Martian explorers of tomorrow could pay to register their vessel with a small country they have no other connection to2 and carry its flag (and laws) with them, wherever they go. - Fivethirtyeight.com
It is easy to find discussions of the implications of existing treaties both specific to space and not obviously related, such as the Law Of The Sea Treaty, the precedents that have driven international law dating back to the Age f Exploration, and the international and national political directions. This article brings another, interesting and informative perspective.