28 U.S.C. § 2402
Jury trial in actions against United States
Subject to chapter 179 of this title, any action against the United States under section 1346 shall be tried by the court without a jury, except that any action against the United States under section 1346(a)(1) shall, at the request of either party to such action, be tried by the court with a jury.
( June 25, 1948, ch. 646 , 62 Stat. 971 ; July 30, 1954, ch. 648, § 2(a) , 68 Stat. 589 ; Pub. L. 104–331, § 3(b)(3) , Oct. 26, 1996 , 110 Stat. 4069 .)