Title 28 of the United States Code

Title 28 (Judiciary and Judicial Procedure) is the portion of the United States Code (federal statutory law) that governs the federal judicial system.

It is divided into six parts:

The part establishes United States federal courts.

The part establishes the United States Department of Justice.

This part deals with jurisdiction and venue.

This part establishes criminal procedure and civil procedure for the federal courts. The Supreme Court, pursuant to the Rules Enabling Act and upon recommendations from the Judicial Conference of the United States, promulgates the more detailed Federal Rules of Civil Procedure and Federal Rules of Criminal Procedure

...
Wikipedia