Since 2015, employers have faced continued uncertainty regarding which standard the National Labor Relations Board (“NLRB” or the “Board”) will apply when determining joint-employer status under the National Labor Relations Act (“NLRA”). Businesses utilizing contractors and staffing firms or operating in partnering arrangements, as well as those engaged in providing temporaries and other contingent workers, have faced a moving target before the Board when it comes to potential responsibility in union recognition, bargaining obligations, and unfair labor practice cases.