"After being officially proposed, either by Congress or a national convention of the states, a constitutional amendment must then be ratified by the legislature

"After being officially proposed, either by Congress or a national convention of the states, a constitutional amendment must then be ratified by the legislatures of, or by ratifying conventions, in at least three-fourths of the states." [1] 1. https://en.wikipedia.org/wiki/Article_Five_of_the_United_States_Constitution https://en.wikipedia.org/wiki/Article_Five_of_the_United_Sta...