Jurisdiction

Jurisdiction‏‎

Jurisdiction (from the Latin ius, iuris meaning "law" and dicere meaning "to speak") is the practical authority to interpret and apply the law, or to govern and legislate. It is granted to a formally constituted legal body, such as a court, or to a political leader.

Within the Union, all Federal Organizations have a defined Juristiction. For example the United Stars Navy has no law enforcement juristiction within Union Space (except within the Navy) Federal Police has no juristiction on planets with local authorities.

And so forth...

This is mainly done to have clear definded boundaries of authority and so no one organization can become too powerful ( there are other safeguards as well)