In the ACLU's lawsuit, a federal judge in Arizona enjoined that state from enforcing an anti-boycott law, which requires state contractors to certify that they don't boycott Israel, while litigation proceeds. Her ruling affirmed what we've been saying all along: "Collective boycotting activities undertaken to achieve social, political or economic ends is conduct that is protected by the First Amendment.''
Howard Fischer Capitol Media Services, "Judge bars Arizona from enforcing law that tells contracted companies not to boycott Israel"
ACLU Arizona, "Federal Court Blocks Arizona Law Aimed at Anti-Israel Boycotts"
Jewish Telegraphic Agency, "Arizona State University sued over enforcement of state anti-BDS law"
There was also a block of the law in Kansas
ACLU, "Laws Targeting Israel Boycotts Fail First Legal Test" (Kansas, January 2018)