​The International Atomic Energy Agency (IAEA) was created in 1957 and is a specialised inter-governmental agency, placed under the aegis of the United Nations. It is based in Vienna, Austria, and has 152 Member States.
The major decisions are taken by the Board of Governors (35 members), which meets four times a year. The General Conference meets once a year in the presence of all the Member States. It defines the Agency’s general orientations, approves the accounts and adopts the budget.

IAEA’s mandate comprises three missions related to the TNP:

• Non-Proliferation, Safeguards and Verification: verify that Non-Nuclear Weapons States (NNWS) which are parties to the TNP, respect their commitments to prevent nuclear materials and technologies from being diverted for military purposes (combating the proliferation of nuclear weapons).
• Promoting the peaceful use of nuclear sciences and technologies: Agency support for Member States to develop nuclear applications in the fields of health, food and agriculture, management of water resources, environmental issues, or the production of energy.
• Nuclear safety and security: drafting of safety and radiation protection standards and provision of support to the Member States to reinforce nuclear security.