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Rh On scientific matters, the Director of the Central Office shall correspond directly with the members of the Permanent Commission, with the national seismological offices, and with learned societies or individuals concerned with seismology.

The Secretary General shall submit to each General Assembly a report on the work and the situation of the Association. He shall also publish the minutes of meetings of the Permanent Commission, the proceedings of the General Assemblies, and the results of work performed in the name of the Association (art. 1, par. 2b). He shall have charge of the correspondence and, under the direction of the President of the Permanent Commission, of such current business of the Association as does not fall within the province of the Director of the Central Office.

This convention is concluded for a period of twelve years beginning April 1, 1904. Upon the expiration of this initial term, it shall continue in force for four-year periods, unless terminated on six months' notice to that effect.