By Daniel Wiessner
March 31 (Reuters) – A U.S. appeals court said on Friday Tesla Inc TSLA.O CEO Elon Musk violated federal labor law by tweeting that employees of the electric vehicle maker would lose stock options if they joined a union.
The New Orleans-based 5th U.S. Circuit Court of Appeals upheld a decision by the U.S. National Labor Relations Board that said the 2018 tweet amounted to an unlawful threat that could discourage unionizing and ordered Musk to delete it.
Amid an organizing campaign at Tesla’s Fremont, California, plant by the United Auto Workers (UAW) union, Musk tweeted: “Nothing stopping Tesla team at our car plant from voting union … But why pay union dues & give up stock options for nothing?”
Tesla did not immediately respond to a request for comment.
UAW President Shawn Fain applauded the decision in a statement but said it also highlights “our broken US labor law.”
“Here is a company that clearly broke the law and yet it is several years down the road before these workers have achieved a modicum of justice,” Fain said.
Musk’s prolific use of Twitter has landed him in legal trouble before. Tesla in February defeated a lawsuit from investors over another Musk tweet from 2018 saying funding was secured to take the company private, and a British cave explorer unsuccessfully sued Musk for calling him a “pedo guy” on Twitter.
Musk purchased Twitter last year for $44 billion.
In Friday’s case, Tesla had argued that the tweet about unionizing was not a threat and merely reflected the fact that union workers at other auto companies did not receive stock options.
But a three-judge panel of the 5th Circuit disagreed.
“Substantial evidence supports the NLRB’s conclusion that the tweet is an implied threat to end stock options as retaliation for unionization,” the 5th Circuit panel wrote.
The labor board in a separate case last year said Tesla violated labor law by prohibiting workers at the Fremont plant from wearing shirts supporting the union campaign. The company is appealing that decision.
(Reporting by Daniel Wiessner in Albany, New York; Editing by Alexia Garamfalvi, Matthew Lewis and Muralikumar Anantharaman)
((daniel.wiessner@thomsonreuters.com))
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