Australia Group

The Australia Group (AG) is an informal arrangement established in 1985, initiated by Australia following the use of chemical weapons in the Iran–Iraq War, when UN investigations confirmed that Iraq had obtained precursor chemicals through ordinary trade channels. Its purpose is to ensure that participants' exports do not contribute, intentionally or inadvertently, to the development of chemical or biological weapons (CBW).

Participants meet annually in Paris and coordinate national export licensing measures on a list of controlled items, which include:

• Chemical weapons precursors (e.g., thiodiglycol, phosphorus oxychloride)
• Dual-use chemical manufacturing facilities and equipment
• Biological agents, human and animal pathogens, and toxins
• Dual-use biological equipment such as fermenters and aerosol generators
• Plant pathogens

The AG operates by consensus and has no treaty text or secretariat in the formal sense; Australia chairs the group and provides administrative support. Decisions are politically rather than legally binding, but participants implement controls through their own national legislation.

Membership has grown from the original 15 participants to over 40 states plus the European Union. Members include the United States, the United Kingdom, Japan, Canada, South Korea, Argentina, India (which joined in 2018), and all EU member states. China and Russia are not participants and have at times criticized the arrangement as discriminatory and outside the framework of the Chemical Weapons Convention (CWC) and Biological Weapons Convention (BWC).

The AG complements, but is distinct from, the CWC and BWC: those treaties prohibit possession or development of CBW, while the AG focuses on supply-side controls over the trade in precursors, pathogens, and equipment. It is one of four main multilateral export-control regimes, alongside the Nuclear Suppliers Group, the Missile Technology Control Regime, and the Wassenaar Arrangement.