824, S. 435 in the 114th Congress) was a proposed law introduced by Republican Senators Ted Cruz of Texas and Mike Lee of Utah.
He wrote that "The Supreme Court's decision last year in U.S. v. Windsor ... requires the federal government to defer to state marriage law, not disregard it".
"[9] Detractors contend that this proposed new federal statute would violate the Equal Protection provisions in the Fifth and Fourteenth Amendment to the United States Constitution.
Indeed, the United States Supreme Court, in its 2013 decision in the Windsor case, struck parts of the Defense of Marriage Act as unconstitutional on these exact grounds.
Because the entire point of this proposed State Marriage Defense Act would be to treat homosexuals differently from all other persons, it would violate the Equal Protection provisions of the 5th and 14th Amendments.