Javier Valenzuela is associated with the Foley Arena in Mexico City. Javier focuses his practice on international trade and customs. He has represented clients in complex litigation and advice related to trade and customs matters, including NAFTA and other trade agreements, rules of origin, value for duty, tariff classification, non-tariff barriers and other compliance issues. No new trade agreement can begin until the transition is complete. Any existing EU agreement that is not outdated ends on 31 December, and future trade will take place on WTO terms until an agreement is reached. Updating the table of trade agreements to: include the nature of the agreements and change a certain percentage of the total value of trade. Brexit: British trade `difficult when Irish border is not resolved` There are still many things the two countries want to negotiate beyond what is included in the Canada-UK ATT. For example, a final and comprehensive bilateral agreement is likely to address market access and government commitments in the areas of digital trade, environment and women`s economic empowerment. In addition, some measures already set out in CETA may need to be renegotiated for an agreement only in the UK, including but not limited to hygiene rules, procurement rules and investment rules.