The vote requirement for constitutional amendments is either 60 percent of votes cast on the ballot measure or a simple majority of all of those voting in the election.
As of Tuesday night, unofficial results indicate voters opposed the constitutional amendment by a margin of 55% to 45%.
Supporters conceded on Wednesday morning. According to a statement from John Bouman, Chair of Vote Yes for Fair Tax:
Statement of John Bouman, Chair of Vote Yes for Fair Tax: