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Nuclear Non-Proliferation Treaty

Question for Foreign, Commonwealth and Development Office

UIN HL14330, tabled on 17 March 2021

To ask Her Majesty's Government what are the UK's obligations as a depositary government of the Treaty on the Non-Proliferation of Nuclear Weapons; and what steps they take to fulfil the responsibilities of that role.

Answered on

30 March 2021

The UK government acts in accordance with Article IX of the NPT which states: 'The Depositary Governments shall promptly inform all signatory and acceding States of the date of each signature, the date of deposit of each instrument of ratification or of accession, the date of the entry into force of this Treaty, and the date of receipt of any requests for convening a conference or other notices.'