Well, that proposed rule has been put to rest. Vice President Pence broke the tie in the Senate to overturn CFPB’s proposed rule on arbitration. See https://www.wsj.com/articles/congress-votes-to-overturn-cfpb-arbitration-rule-1508897968. See also https://www.nbcnews.com/politics/white-house/pence-breaks-tie-senate-votes-kill-rule-allowing-class-action-n814021?cid=eml_onsite.