Commercial space regulation is primarily established through a combination of legislative acts and regulatory frameworks at both the national and international levels. Here are some key pieces of legislation and regulatory bodies that govern commercial space activities:

1. National Aeronautics and Space Act (NASA Act)**: In the United States, the NASA Act of 1958 established NASA and provides the overarching framework for space exploration and activities conducted by the United States government.

2. Commercial Space Launch Act (CSLA)**: Enacted in 1984 and amended several times, the CSLA provides the regulatory framework for commercial space launch activities in the United States. It grants the Federal Aviation Administration (FAA) authority to license and regulate commercial space launch and re-entry operations.

3. Outer Space Treaty**: This international treaty, adopted by the United Nations in 1967, serves as the foundational legal framework for international space law. It establishes principles governing the exploration and use of outer space, including the peaceful use of space and the prohibition of placing weapons of mass destruction in orbit.

4. United Nations Committee on the Peaceful Uses of Outer Space (COPUOS)**: COPUOS, established in 1959, is the primary body within the United Nations responsible for addressing issues related to outer space. It facilitates international cooperation in space exploration and the development of space law and policy.

5. International Traffic in Arms Regulations (ITAR)** and **Export Administration Regulations (EAR)**: In the United States, ITAR and EAR regulate the export of space-related technologies and goods to ensure compliance with national security and foreign policy objectives.

6. Commercial Space Launch Competitiveness Act (CSLCA)**: Enacted in 2015, this U.S. legislation addresses various aspects of commercial space activities, including regulatory reform, liability, property rights, and commercial remote sensing.

7. SpaceX and FAA Memorandum of Understanding (MOU)**: Specific agreements and MOUs between commercial space companies and regulatory agencies may also play a role in establishing regulatory frameworks and requirements for specific activities or projects.

These are just a few examples of the legislation and regulatory mechanisms that govern commercial space activities. The landscape continues to evolve as new technologies emerge and as governments seek to balance innovation with safety, security, and environmental concerns in outer space.