Reading Time: 4 minutesWhat is Taft-Hartley Act? Definition & Meaning The Taft-Hartley Act is a 1947 U.S. federal law (also called the Labor Management Relations Act) that amended the National Labor Relations Act to add union unfair-labor-practice rules, ban closed shops, permit state right-to-work laws, define employer free-speech rights, and allow temporary federal injunctions in strikes that threaten… Continue reading What Is the Taft-Hartley Act of 1947? Definition, Rules, Film Impact