Reiterates its profound concern that, despite the express wishes of the majority of Member States, nuclear testing continues;
2
Reaffirms its conviction that a treaty to achieve the prohibition of all nuclear-test explosions by all States in all environments for all time is a matter of greatest impor tance;
3
Expresses the conviction that such a treaty would constitute a vital element for the success of efforts to halt and reverse the nuclear-arms race and the qualitative improvement of nuclear weapons, and to prevent the expansion of existing nuclear arsenals and the spread of nuclear weapons to additional countries;
4
Urgesthe Conference on Disarmament to establish at the beginning of its session in I 985 an Ad Hoe Commit tee under item 1 of its agenda, entitled "Nuclear-test ban" and
a
To resume immediately its substantive work relat ing to a comprehensive test ban, including the issue of scope as well as those of verification and compliance, with a view to the negotiation of a treaty on the subject;
b
Taking into account the work previously performed by and the results of the technical test being conducted by the Ad Hoe Group of Scientific Experts to Consider Inter national Co-operative Measures to Detect and Identify Seismic Events, to take steps for the establishment as soon as possible of an international seismic monitoring net work:
i
to monitor nuclear explosions;
ii
to determine the capabilities of such a network for monitoring compliance with a comprehensive nuclear-test-ban treaty;
c
To initiate detailed investigation of other measures to monitor and verify compliance with such a treaty, including an international network to monitor atmos pheric radioactivity;
5
Urgesall members of the Conference on Disarma ment, in particular the nuclear-weapon States, to co-oper ate within the Conference in fulfilling these tasks;
6
Calls uponthe Conference on Disarmament to report on progress to the General Assembly at its fortieth session;
1
Decides to include in the provisional agenda of its fortieth session the item entitled "Urgent need for a com prehensive nuclear-test-ban treaty".
7 Resolution S-10 2. 6 Official Records of the General Assembly, Thirty-ninth Session, Supple ment No. 27 (A/39/27), sect. 111.A.
