However , because the convention was made by the occupying Empire of Japan , South Korea has disputed its legality and some Koreans claim that Korea extends into de facto PRC territory , viz .
Both Korean states now accept the convention border as an administrative boundary .
Because the convention was made by the occupying Empire of Japan , Korean   has disputed Korean 's legality and some Koreans claim Korean Korea extends into de facto PRC territory , viz .
Both Korean states now accept the convention border as an administrative boundary .