Parliamentary Privilege Act, 1770

Obedience to rule of the Court of King's Bench, Common Pleas, or Exchequer may be enforced by distress infinite.

5. And . . . obedience may be enforced to any rule of his Majesty's courts of King's Bench, Common Pleas, or Exchequer against any person intitled to privilege of Parliament by distress infinite, in case any person or persons intitled to the benefit of such rule shall chuse to proceed in that way.