"The presented text, in fact, is clearly oriented toward labor law that is still more favorable to large companies and not medium-sized and small businesses, contrary to the claims of the government, while at the same time destabilizing employees even more, seriously and without a good cause," the statement read.
The new project provides employers with more flexibility in negotiations over hours and pay and set a cap for dismissal compensation awarded in a labor court.
The government has reportedly argued that the reforms, on the contrary, give more power to small and medium-sized companies.
France's second-largest trade union, CGT, intends to strike on September 12, while the country's largest union CFDT, although disappointed, said it would not be protesting.
