To South Korean temporarily residing in Vietnam if their Vietnam visa is expired, they can be extended for the period from 1 month to 1 year. Procedures to extend the Vietnam visa for South Korean are made in the Immigration Bureau or the Immigration Management Department of provincial and city Police depending on the specific case.

View more: http://www.vietnamvisaconsultant.com/blog/immigration-news/vietnam-visa-extension-for-citizens-of-south-korea.html