Cite as: 587 U. S. ___ (2019)
13
Opinion of the Court
tute for the requisite affirmative “contractual basis for concluding that the part[ies] agreed to [class arbitration].” Stolt-Nielsen, 559 U. S., at 684.
We reverse the judgment of the Court of Appeals for the Ninth Circuit and remand the case for further proceedings consistent with this opinion.
It is so ordered.