Vietnam, besides free trade, there is an investment treaty as well
In the recently ratified agreement, there isn't only a trade component but also the investment protection part. Vietnam will have five years to adapt its legislation and ensure the protection of foreign investment in the country by setting up an ad hoc tribunal
https://www.classxhsilkroad.it/news/azienda-manifatturiero/vietnam-non-solo-libero-scambio-c-e-anche-il-trattato-sugli-investimenti-202006241355568738