§ 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.

U.S. Code

§ 43. Creation and composition of courts