“Marriage may take place and may be valid under the laws of this state only between a man and a woman,” the Mississippi law reads. Supreme Court ever overturns its 2015 ruling legalizing gay marriages, Mississippi has an existing law - even a provision in the state Constitution - banning same-sex marriage. Wade isn’t the only so-called “trigger law” language the state has. The 2007 law that would ban abortions in Mississippi if the Supreme Court overturns Roe v.