(December 15, 2016, 1:47 PM EST) -- WASHINGTON, D.C. — A tribunal for the International Centre for Settlement of Investment Disputes (ICSID) on Dec. 12 dismissed an objection filed by the United Mexican States to an arbitration filed against it by a lender, finding that questions regarding whether certain promissory notes and mortgages were investments under the North American Free Trade Agreement (NAFTA) required more review (Lion Mexico Consolidated L.P. v. United Mexican States, No. ARB[AF]/15/12, ICSID)....