Similar decertification efforts occurred at Boulder and Palace Stations in 2020. The company said then that it would not recognize the union as representatives of those workers. The union has alleged in an NLRB complaint that those actions were unlawful.

In a statement Monday, Culinary Secretary-Treasurer Ted Pappageorge said Station Casinos has a “shameful history of anti-worker behavior, and losing,” and alleged company managers encouraged union decertification. He said he believes withdrawal of recognition at Sunset Station is unlawful.

“The Culinary Union will file an unfair labor practice charge regarding the withdrawal and will continue to demand that the company negotiate in good faith towards a union contract. Union busting is disgusting, and the Culinary Union urges Station Casinos to do better,” Pappageorge said in the statement.