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1. Taxpayer
  a. Resident
A person who has a domicile or has resided in Korea for 
one year or longer is subject to income tax on all income 
derived from sources both within and outside Korea. Korean 
public officials, directors and personnel engaged in overseas 
service on behalf of an employer who is a Korean resident, or a 
domestic company is deemed to be residents of Korea.
 
  b. Non-resident
A person who is not a resident of Korea is deemed a 
non-resident and is subject to income tax only on income derived 
from sources within Korea.