DMZ has been under UN Command’s jurisdiction for 70 years? Not exactly

Joint Safety Space guards stand at Panmunjom, on the inter-Korean border, on Might 9, 2018. (Kim Jin-su/Hankyoreh)

Final month, the United Nations Command (UNC) instructed reporters that presently pending laws aimed toward granting South Korea entry to the Demilitarized Zone for peaceable makes use of is “utterly at odds” with the Korean Armistice Settlement.

A UNC official mentioned on Jan. 28 that any authorization of civilian entry to the DMZ by the Republic of Korea with out the UNC’s approval can be a violation of the armistice. 

“For 70 plus years, the ROK authorities has acknowledged the UNC commander’s tasks within the DMZ as outlined within the Armistice Settlement,” the official mentioned, stressing that this standing has remained unchanged throughout that point.  

The Korean Armistice Settlement, signed on July 27, 1953, supplies the essential framework for managing the short-term truce following the 1950-1953 battle. It doesn’t, nonetheless, delineate particular phrases concerning procedures for entry to the DMZ or any rules about crossing the Navy Demarcation Line (MDL) — the de facto “border line” separating North and South Korea. 

Managing and working the DMZ on the working degree is finished beneath UNC rules. UNC Regulation 551-4 (Compliance with the Armistice Settlement) states authorization for entry to the southern portion of the DMZ is the purview of the UNC. 

In a press release issued on Dec. 16, 2025, the UNC said that Article 1, Paragraph 9 of the Armistice Settlement grants “jurisdiction to regulate entry” to the DMZ to the UNC, however the phrase “jurisdiction” doesn’t seem within the armistice. The textual content of the settlement makes use of the time period “navy management” repeatedly all through a number of articles. 

The UNC’s declare to have exercised jurisdiction over entry to the DMZ for the previous 70 years isn’t precisely the case both.

An indication submit close to the DMZ in South Korea’s Cheorwon space reads that the zone falls beneath the jurisdiction of the UNC. (Kwon Hyuk-chul/Hankyoreh)

After the armistice was signed in July 1953, the phrase “jurisdiction” was not used as soon as in reference to the DMZ by the UN Command Navy Armistice Fee (UNCMAC), the UNC, and even North Korea till 2000. 

Together with “administration,” the time period “jurisdiction” started cropping up following the primary inter-Korean summit in June 2000, throughout talks to open up a part of the DMZ and take away landmines for the sake of constructing a railway linking Seoul to Sinuiju and roadways connecting Munsan to Kaesong, in addition to the creation of a joint tourism trade round Mt. Keumgang.

The UNC reportedly introduced up such ideas first, and the South Korean Protection Ministry reportedly agreed. 

A variety of civilian personnel engaged on development and inter-Korean cooperation crossed into the DMZ at the moment, and the query of approval concerning journey throughout the MDL into North Korea turned a problem. 

To ensure clean border crossings, the South Korean administration and the UNC designated a separate area inside the DMZ for “inter-Korean administration.” They agreed to tell apart between jurisdiction and administration, establishing that the South Korean authorities would approve border crossings and report such approvals to the UNC. The settlement gave the South Korean administrative management over working-level operations, whereas permitting the UNC to retain final authority to approve or deny crossings.

Through the Roh Moo-hyun administration, South Korea and the US agreed to switch the UNC’s authority over DMZ entry to the ROK Armed Forces earlier than the switch of operational management (OPCON) from the US to the ROK. The joint communique concerning the thirty ninth US-ROK Safety Consultative Assembly in November 2007 said, “The Secretary and the Minister praised agreements reached on the Roadmap for the Armistice Upkeep Accountability (AMR) adjustment by the Senior Degree Working Group, and expressed their satisfaction with the progress. In accordance with the Roadmap, each side agreed to finish the AMR adjustment between the UNC and the ROK navy earlier than the transition of wartime operational management in 2012.”

A Protection Ministry official on the time mentioned, “We are going to differentiate between affairs that the UNC will handle till subsequent yr [2008] and affairs to be dealt with by the Joint Chiefs of Workers of Korea, and determine tips on how to deal with the switch going ahead.” 

“Whereas it was agreed that the UNC would retain authority over imposing the Armistice Settlement, the negotiations will proceed in a manner that may enable the Korean navy to be entrusted with working-level duties involving authorization of entry to the DMZ and investigations of incidents and accidents that happen within the DMZ,” the official mentioned. 

In September 2025, the UNC carried out coaching with Korean Marines and Coast Guard within the Han River Estuary. (courtesy UNC)

However because the administrations of Lee Myung-bak and Park Geun-hye pushed again the timeline for OPCON switch, changes to enforcement and administration of the armistice fell by the wayside. 

If Seoul is to regain OPCON, Korea and the US must resume discussions concerning changes of managing and imposing the phrases of the Armistice Settlement, together with entry to the DMZ and MDL crossings. 

The Trump administration’s newest Nationwide Protection Technique states that coping with typical navy threats from North Korea is South Korea’s accountability, so talks in regards to the OPCON switch are prone to decide up pace. 

In comparison with the agreements between the US and South Korea concerning revisions to the roles of the UNC and the ROK navy within the administration of the armistice forward of the OPCON switch in 2007, the hard-line stance not too long ago issued by the UNC concerning jurisdiction over the DMZ appears to come back out of nowhere. 

Presently, civilians can’t enter the DMZ; solely navy personnel can. But when the armistice was signed, there have been approvals for civilian exercise pertaining to each North and South Korean nationals when it got here to agricultural work and different work required to make a every day dwelling. Further agreements made six months after the armistice was signed assured unrestricted civilian entry to residential areas and farmland inside the DMZ. 

The aforementioned UNC official remarked that the pending laws flew within the face of UNC jurisdiction over who accesses the DMZ and for what functions. Earlier than opposing such laws, we have to reexamine the aim of the Armistice Settlement, which permitted civilian exercise in and entry to the DMZ, as long as it was in a non-military capability.

By Kwon Hyuk-chul, employees reporter

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