Rhode island constitution
Article VI: of the legislative power
Section 6

Each house shall be the judge of the elections and qualifications of its members; and a majority shall constitute a quorum to do business; but a smaller number may adjourn from day to day, and may compel the attendance of absent members in such manner, and under such penalties, as may be prescribed by such house or by law. The organization of the two houses may be regulated by law, subject to the limitations contained in this Constitution.