Del. Const. art. V, § 1

The general election shall be held biennially on the Tuesday next after the first Monday in the month of November, and shall be by ballot; but the General Assembly may by law prescribe the means, methods, and instruments of voting so as best to secure secrecy and the independence of the voter, preserve the freedom and purity of elections, and prevent fraud, corruption, and intimidation thereat. 84 Del. Laws, c. 281 and 85 Del. Laws, c. 5;