The Council of Western European Union may vary the list in Annex IV by unanimous decision.
In witness whereof, the above-mentioned Plenipotentiaries have signed the present Protocol, being one of the Protocols listed in Article I of the Protocol Modifying and Completing the Treaty, and have affixed thereto their seals.
Done at Paris on the 23rd day of October 1954, in two texts, in the English and French languages, each text being equally authoritative, in a single copy, which shall remain deposited in the archives of the Belgian Government and of which certified copies shall be transmitted by that Government to each of the other Signatories.
The Federal Chancellor declares:
that the Federal Republic undertakes not to manufacture in its territory any atomic weapons, chemical weapons or biological weapons, as detailed in paragraphs I, II and III of the attached list;
that it undertakes further not to manufacture in its territory such weapons as those detailed in paragraphs IV, V and VI of the attached list. Any amendment to or cancellation of the substance of paragraphs IV, V and VI can, on the request of the Federal Republic, be carried out by a resolution of the Brussels Council of Ministers by a two-thirds majority, if in accordance with the needs of the armed forces a request is made by the competent Supreme Commander of the North Atlantic Treaty Organization
that the Federal Republic agrees to supervision by the competent authority of the Brussels Treaty Organization to ensure that these undertakings are observed.
This list comprises the weapons defined in paragraphs I to III and the factories earmarked solely for their production. All apparatus, parts, equipment, installations, substances and organisms, which are used for civilian purposes or for scientific, medical and industrial research in the fields of pure and applied science shall be excluded from this definition.
I. Atomic Weapons
a. An atomic weapon is defined as any weapon which contains, or is designed to contain or utilise nuclear fuel or radioactive isotopes and which, by explosion or other uncontrolled nuclear transformation of the nuclear fuel, or by radioactivity of the nuclear fuel or radioactive isotopes, is capable of mass destruction, mass injury or mass poisoning.
b. Furthermore, any part, device, assembly or material especially designed for, or primarily useful in, any weapon as set forth under paragraph (a), shall be deemed to be an atomic weapon.