116-72 is not ingested; this is Title 29 as published at 116-63 (2019-10-04), which is the latest release point at or before it that carries this title.
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§ 101.
Issuance of restraining orders and injunctions; limitation; public policy
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.