There is some precedent for international treaties regarding the exploration of other worlds, most-notably the Outer Space Treaty of 1976 or the Artemis Accords. But these amount to little more than non-aggression pacts. The COSPAR convention came closer to what is needed by declaring the inherent hazards to science and terrestrial life that go with exploring other worlds. However, at present, such documents merely recommendations to governments and industry. There are no current means for enforcing the guidelines.
Elon Musk, the founder of SpaceX, talks with Commercial Crew astronauts and the current NASA Administrator, Jim Bridenstine. The merger between the public and private sectors of the aerospace industry is seen clearly with the partnership between NASA and SpaceX, as it was the first private company to bring American astronauts to the International Space Station.