<Li> Georgia: May 19, 1804 </Li> <Li> New Hampshire: June 15, 1804 </Li> <P> Having been ratified by the requisite three - fourths of the several states, there being 17 states in the Union at the time, the ratification of the Twelfth Amendment was completed . It was subsequently ratified by: </P> <Dl> <Dd> 14 . Tennessee: July 27, 1804 </Dd> <Dd> 15 . Massachusetts: 1961 (after rejection: February 3, 1804) </Dd> </Dl>

One effect of the twelfth amendment on the selection of the president and vice president has been