28 U.S.C. § 1870 : US Code - Section 1870: Challenges

Search 28 U.S.C. § 1870 : US Code - Section 1870: Challenges

In civil cases, each party shall be entitled to three peremptory
challenges. Several defendants or several plaintiffs may be
considered as a single party for the purposes of making challenges,
or the court may allow additional peremptory challenges and permit
them to be exercised separately or jointly.
All challenges for cause or favor, whether to the array or panel
or to individual jurors, shall be determined by the court.