Burwell v. Hobby Lobby Stores, Inc., 134 S. Ct. 2751 - Supreme Court 2014
Burwell v. Hobby Lobby Stores, Inc. made private businesses exempt from enforcing some public laws. It was a bad decision and will end up back in the US Supreme Court's face.
You can thank Justices Alito and Scalia.
Religious Freedom Restoration Act of 1993 [RFRA]
31 states have heightened religious freedom protections - The Washington Post
Religious Freedom Restoration Act perils | Professor Marci A. Hamilton | Tennessee