28 U.S.C. § 43 : US Code - Section 43: Creation and composition of courts

Search 28 U.S.C. § 43 : US Code - Section 43: Creation and composition of courts

(a) There shall be in each circuit a court of appeals, which
shall be a court of record, known as the United States Court of
Appeals for the circuit.
(b) Each court of appeals shall consist of the circuit judges of
the circuit in regular active service. The circuit justice and
justices or judges designated or assigned shall be competent to sit
as judges of the court.