; (2) articles 31.4 and 31.6 of the USMCA (relating to dispute settlement consultations); or (3) Annex 31–A of the USMCA (relating to the rapid response labor mechanism). (b) Trade Representative determinations Not later than 60 days after the date on which the Trade Representative receives a recommendation pursuant to subsection (a) , the Trade Representative shall— (1) determine whether to initiate an enforcement action