Each house may determine the rules of its proceedings, sit upon its own adjournment, punish its members for disorderly behavior, and with the concurrence of two-thirds expel a member; but no member shall be expelled a second time for the same offense.
Rules of government
Minn. Const. art. IV, § 7 — under Legislative Department.
Minn. Const. art. IV, § 7
Rules of government