The government plans to sell all or part of its 50.6% stake in ADP, worth around 8.8 billion euros (7.6 billion pounds) at current market prices, as part of a drive to divest some state holdings to finance a 10 billion euros innovation fund.

But the move has faced criticism from a variety of opponents who are demanding a referendum and have accused President Emmanuel Macron's government of selling valuable national assets.

(Reporting by Sudip Kar-Gupta and Matthieu Protard; Editing by Mark Potter)