(Clause 3) Qualifications: A senator must be at least 30 years old, a citizen for at least nine years, and must live in the state from which elected.

(Clause 4) Presiding Officer: The Vice President presides over the senate, but may vote only to break a tie.

Senate (clauses 1-4)

(Clause 1) Composition, Election, term: Each state has two senators. Each serves for six years and has one vote. Originally, senators were not elected directly by the people, but by each states legislature

(Clause 2) Classification: The senators elected in 1788 were divided into three groups so that the senate could become a "continuing body." One-third of the senate's seats are up for election every two years.