2 U.S. Code § 288f
2 U.S. Code § 288f is about Immunity proceedings. It is under Chapter 9D (Office of Senate Legal Counsel) of Title 2 (The Congress) of the Code.
When directed to do so pursuant to section 288b(d) of this title, the Counsel shall serve as the duly authorized representative of the Senate or a committee or subcommittee of the Senate in requesting a United States district court to issue an order granting immunity pursuant to section 6005 of title 18.