OBS_VALUE: <ul><li><a href=https://usmca.com/cross-border-trade-in-services-usmca/ target=_blank>United States-Mexico-Canada Agreement (USMCA)(United States-Mexico-Canada Agreement (USMCA), 01 July 2020, Chapter 15, article 15.6 )</a></li><li><a href=http://www.sice.oas.org/Trade/mextnorte/Mex_TNorte_s.asp#a54 target=_blank>FTA among Mexico, El Salvador, Guatemala and Honduras(Tratado de Libre Comercio entre los Estados Unidos Mexicanos y las Repúblicas de El Salvador, Guatemala y Honduras, 01 September 2012, article 10.5 )</a></li><li><a href=https://leyes-mx.com/ley_reglamentaria_del_servicio_ferroviario.htm target=_blank>Railway Law(Ley Reglamentaria del Servicio Ferroviario, 12 May 1995, last amended on 6 November 2020)</a></li></ul>