Virginia constitution
Article XII: future changes
Section 2

The General Assembly shall provide by law for the election of delegates to such a convention, and shall also provide for the submission, in such manner as it shall prescribe and not sooner than ninety days after final adjournment of the convention, of the proposals of the convention to the voters qualified to vote in elections by the people. If a majority of those voting vote in favor of any proposal, it shall become effective on the date prescribed by the General Assembly in providing for the submission of the convention proposals to the voters.