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""Logo of TCS of  Trilateral CooperationSecretariat Chinese: 三国合作秘书处Japanese: 三国協力事務局Korean: 삼국 협력 사무국三國協力事務局
Logo of TCS
""Location of  Trilateral CooperationSecretariat Chinese: 三国合作秘书处Japanese: 三国協力事務局Korean: 삼국 협력 사무국三國協力事務局
Headquarters "South Korea "Seoul
Official languages
Membership  "China
 "South Korea
• Secretary-General
"South Korea Lee Jong-heon
• Deputy Secretary-Generals
"China Han Mei
"Japan Yamamoto Yasushi
• Established
1 September 2011

The Trilateral Cooperation Secretariat (TCS) is an "international organization established with a vision to promote peace and common prosperity among "China, "Japan, and "South Korea.[1] Upon the agreement signed and ratified by each of the three governments, the TCS was officially inaugurated in Seoul, September 2011.[2] On the basis of equal participation, each government shares 1/3 of total operational budget.



1999 - Proposed by the Japanese Prime Minister "Keizō Obuchi, the leaders of the three countries joined for a breakfast meeting on the sidelines of the "ASEAN+3 Summit. This meeting marked the first step for developing the trilateral cooperation and its framework.[3]
2008 - The first "Trilateral Summit was held in "Fukuoka.
2009 – South Korean President "Lee Myung-bak proposed the establishment of a permanent secretariat at the 2nd Trilateral Summit held in "Beijing, China.
2010Agreement on the Establishment of the Trilateral Cooperation Secretariat[4] was signed by the leaders of the three countries.
2011 – Trilateral Cooperation Secretariat was established in "Seoul.[5]


The TCS consists of a Consultative Board and four Departments. The Consultative Board, which is the executive decision-making body of the organization, is composed of a Secretary-General and two Deputy Secretary-Generals. The Secretary-General is appointed on a two-year rotational basis in the order of the South Korea, Japan, and China. Each country other than the one of the Secretary-General nominates a Deputy Secretary-General respectively. Under the Consultative Board, there are four Departments of Political Affairs, Economic Affairs, Socio-Cultural Affairs, and Management. The Four Departments are composed of officials seconded by the three countries, and General Service Staff recruited through open competition from the three countries.

TCS Secretary-General[edit]

  1. Shin Bong-kil "South Korea (1 September 2011 - 31 August 2013)
  2. Shigeo Iwatani "Japan (1 September 2013 - 31 August 2015)
  3. "Yang Houlan "China (1 September 2015 – 31 August 2017)
  4. Lee Jong-heon"South Korea(1 September 2017 – )

Functions and Activities[edit]


  1. Provide administrative and technical support for the operation and management of such trilateral consultative mechanisms among the three countries as the Trilateral Summit Meeting, the Trilateral Foreign Ministers' Meeting, the Three-Party Committee and other ministerial meetings, and the Trilateral Senior Foreign Affairs Officials’ Consultation and to send, if necessary, its representatives to attend major consultative mechanisms.
  2. Communicate and coordinate with the three countries and, if necessary, with other international organizations.
  3. Explore and identify potential cooperative projects among the three countries and report those projects to the relevant consultative mechanisms for adoption.
  4. Evaluate the cooperative projects and draft reports on them, compile necessary documents into database, and submit annual progress reports to the Trilateral Foreign Ministers' Meeting for approval.
  5. Conduct research on important issues related to the trilateral cooperation, manage the Secretariat’s website, and promote understanding of the trilateral cooperation.[6]


Participation in trilateral consultative mechanisms

Promoting trilateral cooperation / Cooperative projects

Collaboration with other organizations

Research and Publications[7]

See also[edit]


  1. ^ Trilateral Cooperation Secretariat. "Overview of TCS". tcs-asia.org. 
  2. ^ Shin, Hae-in (27 September 2011). "Trilateral secretariat officially opens in Seoul". The Korea Herald. Retrieved 20 December 2014. 
  3. ^ "China-Japan-ROK Cooperation (1999-2012)". gov.cn. Ministry of Foreign Affairs of the People's Republic of China. 
  4. ^ Trilateral Cooperation Secretariat. "Agreement on the Establishment of the Trilateral Cooperation Secretariat" (PDF). tcs-asia.org. 
  5. ^ Aviles, Kay (27 September 2011). "Trilateral Cooperation Secretariat by Japan, China and South Korea Launched in Seoul". International Business Times. 
  6. ^ Trilateral Cooperation Secretariat. "TCS Functions and Activities". tcs-asia.org. 
  7. ^ Trilateral Cooperation Secretariat. "TCS Research and Publications". tcs-asia.org. 
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