I can't answer the question simply because the Pacific Alliance members are currently negotiating among themselves to determine what harmonization they will achieve, and how their own agreement will work. They haven't concluded those negotiations, and we haven't seen any of the detail. But the purpose of the Pacific Alliance, as we understand it, is to go beyond the normal trade policy rules—again, these are countries that already have free trade agreements with each other—and turn to cooperation in other areas.
On March 25th, 2013. See this statement in context.