No court of the United States, as defined in this chapter, shall have jurisdiction to issue any restraining order or temporary or permanent injunction in a case involving or growing out of a labor dispute, except in a strict conformity with the provisions of this chapter; nor shall any such restraining order or temporary or permanent injunction be issued contrary to the public policy declared in this chapter.
Act Mar. 23, 1932, ch. 90, 47 Stat. 70, which enacted this chapter, is popularly known as the “Norris-LaGuardia Act”.