<P> In 1999, North Korea unilaterally asserted its own "North Korean Military Demarcation Line in the West Sea (Yellow Sea)", also called the "Inter-Korean MDL in the Yellow Sea". </P> <P> Nonetheless, the UNC - drawn line functions as a de facto or "practical" extension of the 1953 MDL, despite occasional incursions and clashes . </P> <P> The Civilian Control Zone (CCZ) is a zone that restricts civilian access to military operations and military facilities near the Demilitarized Zone for the purpose of protection and security . </P> <P> The zone began in February 1954, when the US 8th Army started to regulate cultivation by civilians for the purpose of security of military facilities . In the civilian access control area, land use for civilian farming is permitted to the extent that there is no obstacle to military operations and security, but the freedom of the people and basic rights such as the exercise of land ownership except the cultivation right . </P>

Dividing line between north korea and south korea