Musk’s X Corp. filed a complaint against New York’s Attorney General Letitia James on Tuesday, arguing that the state law S895B, which is known as the Stop Hiding Hate Act and which takes effect this week, is an infringement of the U.S. and New York constitutions.

X said the law known as the Stop Hiding Hate Act violated the First Amendment and state constitution by subjecting it to lawsuits and heavy fines.

The Elon Musk-run platform alleges the Stop Hiding Hate Act “impermissibly interferes with the First Amendment-protected editorial judgments” of companies like X to decide how to moderate content. Platforms could face fines unless they disclose what X calls “highly sensitive and controversial speech,