On September 11, opponents of Arizona’s HB 2305 submitted 146,028 signatures. If the petition has at least 86,405 valid signatures, the bill will not go into effect in 2014. Instead, the voters will vote in November 2014 on whether to repeal the bill.
Among other things, the bill makes it virtually impossible for small qualified parties to nominate candidates by write-in vote in their own primaries, and extremely difficult for their candidates to get on their own party’s primary ballots. See this story about the full list of provisions in the bill, and why the opposition to it is so strong.