With the following statement:
"The Government of the United Kingdom believe that universal adherence to and compliance with international agreements
seeking to prevent the proliferation of weapons of mass destruction are vital to the maintenance of world security.
" Re: Protocol 2, Article 1
" The Government of the United Kingdom will not be bound by their undertaking under Article 1 of Protocol 2:
"a) in the case of an invasion or any other attack on the United Kingdom, its dependent territories, its armed forces or other troops,
its allies or a State towards which it has a security commitment, carried out or sustained by a party to the Treaty in association or alliance with a nuclear-weapon State;
"b) if any party to the Treaty is in material breach of its own non-proliferation obligations under the Treaty."