56. There are however a number of challenges and impediments to move towards a more
credible services sector liberalisation. The key challenge is to ensure that higher targets of
services liberalisation are met so as to facilitate greater connectivity, not only for trade in
services but also for trade in goods. Among others, domestic legal regulations often constrain
further liberalilly, Mode 4 (i.e., movement of natural persons) has seen the
least progress compared to the liberalisation plan of the other modes. Accordingly, alternative
approach on how to move forward with a more liberalised Mode 4 is essential.