Rhode island constitution
Article II: suffrage
Section 1

Every citizen of the United States of the age of eighteen years or over who has had residence and home in this state for thirty days next preceding the time of voting, who has resided thirty days in the town or city from which such citizen desires to vote, and whose name shall be registered at least thirty days next preceding the time of voting as provided by law, shall have the right to vote for all offices to be elected and on all questions submitted to the electors, except that no person who has been lawfully adjudicated to be non compos mentis shall be permitted to vote. No person who is incarcerated in a correctional facility upon a felony conviction shall be permitted to vote until such person is discharged from the facility. Upon discharge, such person's right to vote shall be restored. The general assembly may provide by law for shorter state and local residence requirements to vote for electors for president and vice president of the United States.