a. ores, source materials and special fissile materials are not diverted from their  intended uses as declared by the users;  
b. the provisions relating to supply and any particular safeguarding obligations  assumed by the Community under an agreement concluded with a third State or  an international organization are complied with.

Article 78

Anyone setting up or operating an installation for the production, separation or other  use of source materials or special fissile materials or for the processing of irradiated  nuclear fuels shall declare to the Commission the basic technical characteristics of  the installations, to the extent that knowledge of these characteristics is necessary for  the attainment of the objectives set out in Article 77.

The Commission must approve the techniques to be used for the chemical processing  of irradiated materials, to the extent necessary to attain the objectives set out in  Article 77.

Article 79

The Commission shall require that operating records be kept and pro duced in order  to permit accounting for ores, source materials and special fissile materials used or  produced. The same requirement shall apply in the case of the transport of source  materials and special fissile materials.

Those subject to such requirements shall notify the authorities of the Member State  concerned of any communications they make to the Commission pursuant to Article  78 and to the first paragraph of this Article.

The nature and the extent of the requirements referred to in the first paragraph of this  Article shall be defined in a regulation made by the Commission and approved by  the Council.

Article 80

The Commission may require that any excess special fissile materials recovered or  obtained as by products and not actually being used or ready for use shall be  deposited with the Agency or in other stores which are or can be supervised by the  Commission.

Special fissile materials deposited in this way must be returned forthwith to those  concerned at their request.

Article 81

The Commission may send inspectors into the territories of Member States. Before  sending an inspector on his first assignment in the territory of a Member State, the

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