NLRB limits arbitration agreement class-action waivers

Recently, the National Labor Relations Board held that class-action waivers violate em­­ployees’ rights to engage in concerted activity. In D.R. Horton, the NLRB said that employers may not compel employees to waive their NLRA rights to collectively pursue litigation of employment claims in all forums, arbitral and judicial. What does that mean for employers?