United States Constitution.
Section 6
Section The
Senators and Representatives shall receive a Compensation for their
Services, to be ascertained by Law, and paid out of the Treasury of the
United States. They shall in all Cases, except Treason, Felony and
Breach of the Peace, be privileged from Arrest during their Attendance
at the Session of their respective Houses, and in going to and returning
from the same; and for any Speech or Debate in either House, they shall
not be questioned in any other Place.
No Senator or
Representative shall, during the Time for which he was elected, be
appointed to any civil Office under the Authority of the United States,
which shall have been created, or the Emoluments whereof shall have been
encreased during such time; and no Person holding any Office under the
United States, shall be a Member of either House during his Continuance
in Office.