Proposes to amend the Legislature Article of the Illinois Constitution. Provides that two-thirds of each house shall constitute a quorum to do business, but a smaller number may adjourn from day to day, and compel the attendance of absent members, in such manner and under such penalties as each house may provide (now, a majority of the members elected to each house constitutes a quorum). Effective upon being declared adopted in accordance with Section 7 of the Illinois Constitutional Amendment Act.