Wassenaar Arrangement

The Wassenaar Arrangement on Export Controls for Conventional Arms and Dual-Use Goods and Technologies is a voluntary multilateral export-control arrangement established in 1996. Its forty-two participating states maintain common control lists, exchange information and implement agreed controls through national law. A small secretariat in Vienna supports the process.

Design and operation

Wassenaar succeeded the Cold War-era Coordinating Committee for Multilateral Export Controls, or CoCom, but adopted a different design. It has no formally designated adversary and does not give one participant a legal veto over another's export licence. Decisions inside the Arrangement are made by consensus, while licensing remains a national responsibility.

The Arrangement maintains a List of Dual-Use Goods and Technologies and a Munitions List. The dual-use list covers categories including materials, electronics, computers, telecommunications, information security, sensors, navigation, marine and aerospace systems. Participating states translate these categories into domestic or regional control regimes, assess licence applications and exchange information on selected transfers and denials.

The lists create a common technical vocabulary. They help governments and firms identify sensitive items and reduce gaps between national systems. They are not themselves sanctions, an embargo or a globally binding legal code. An item being listed does not necessarily prohibit export, and an unlisted item can still be controlled under national end-use, end-user, catch-all or sanctions rules.

Strategic value and limits

Wassenaar's broad membership gives its definitions reach, but consensus can reduce speed and ambition when major security interests diverge. Russia remains listed as a participating state on the Arrangement's official site as at 29 July 2026. Controls directed at Russia after its full-scale invasion of Ukraine were therefore built largely through national law, the European Union and smaller coalitions rather than through Wassenaar consensus.

The 2025 Plenary updates were reflected in control lists published in January 2026. That continuing maintenance shows the Arrangement's residual value as a standard-setting institution even when it cannot organise a specific denial campaign. Its effectiveness should be assessed through national implementation, licensing practice, enforcement and convergence among supplier states, not through the list text alone.

Consensus also affects list speed. Emerging technologies can move from laboratory to commercial supply faster than a multilateral definition is negotiated and implemented. States may respond with unilateral or plurilateral controls, creating different thresholds and compliance burdens. Wassenaar can later harmonise part of that terrain, but it cannot guarantee simultaneous adoption or identical licence outcomes. The time from technical proposal to national control is therefore a material performance measure.

Wassenaar therefore sits between order-building and denial. It supplies shared categories, procedures and information, while states decide whether those tools support routine non-proliferation controls, targeted technology denial or wider economic-security policy. Its value is greatest where supplier convergence matters and the participating states can agree on the technical boundary.

Record checked against public official sources on 29 July 2026.

See also

CoCom · Dual-use goods control · Export-control licensing regime · Technology denial · Foreign Direct Product Rule · US-Japan-Netherlands semiconductor control coalition

Sources

1. Wassenaar Arrangement, official institutional site.
2. Wassenaar Arrangement, participating states.
3. Wassenaar Arrangement, Public Documents, Volume I: Founding Documents.
4. Wassenaar Arrangement, current control lists incorporating the 2025 Plenary changes.
5. World Trade Organization, *Export Control Regimes: Wassenaar Arrangement* (2025).