Regional
- In the context of FACT Program: nationally the Cambodian Ministry of Economy and Finance (MEF), The General Department of Taxation (GDT), the National Institute of Statistics (NIS), the National Audit Authority (NAA), and Transparency International Cambodia (TI Cambodia) and regionally the Congressional Policy and Budget Research Department of the Philippines.
- The National Assembly of the Kingdom of Cambodia
- Institute for Legislative Studies, Lao PDR
- Parliamentary Learning Center, Myanmar
With MoU
- The Senate of the Kingdom of Cambodia
- ASEAN Inter-Parliamentary Assembly (AIPA)
- King Prajadhipok’s Institute (KPI)
- National Institute of Diplomacy and International Relations (NIDIR)
- Cambodian Development Resource Institute (CDRI)
International
- Centre for Legislative Studies, Law Faculty of the University of Zurich, Switzerland
- Department of Political Science and International Relations, University of Geneva, Switzerland
- Cantonal Parliament of Zurich, Switzerland
- Federal Assembly of Switzerland
- The Research Service of the Riksdag, Sweden
- The University of Sussex, United Kingdom
- Assembly of Ontario, Canada
- Library of the Canadian Parliament
- The Inter-Parliamentary Union (IPU)
With MoU
- Institute of Fiscal Studies and Democracy, Canada
- The French National Assembly
- The French Senate
- The International Development Law Organization (IDLO)
- Assemblée Parlementaire de la Francophonie (APF)
- The Max Planck Foundation for International Peace and the Rule of Law