Article I, Section 5, of the United States Constitution provides that "Each House [of Congress] may determine the Rules of its proceedings, punish its members for disorderly behavior, and, with the concurrence of two-thirds, expel a member." Censure is a form of discipline used by the Senate against its members (sometimes referred to as condemnation or denouncement). A formal statement of disapproval, a censure does not remove a senator from office. Since 1789 the Senate has censured nine of its members.
Employing as a Senate staff member Charles Eyanson, who was simultaneously employed by the Manufacturers Association of Connecticut. Eyanson was hired to assist Bingham on tariff legislation. The issue broadened into the question of the government employing dollar-a-year-men.
Unethical conduct "in connection with his arrangement with Piranha Press and Boston area appearances, his structuring of a real estate transaction and receipt of Senate reimbursements in connection with his stays in his Minneapolis condominium, his pattern of prohibited communications respecting the condominium, his repeated acceptance of prohibited gifts of limousine service for personal purposes, and the conversion of a campaign contribution to his personal use."