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1. The proof of acquisition of legal personality and capacity shall be furnished by presenting the NGO's memorandum and articles of association or other basic constitutional instruments. Such instruments shall be accompanied by documents establishing administrative authorisation, registration or any other form of publicity in the Party which granted the legal personality and capacity. In a Party which has no publicity procedure, the instrument establishing the NGO shall be duly certified by a competent authority. At the time of signature or of the deposit of the instrument of ratification, acceptance, approval or accession, the State concerned shall inform the Secretary General of the Council of Europe of the identity of this authority.
2. In order to facilitate the application of paragraph 1, a Party may provide an optional system of publicity which shall dispense NGOs from furnishing the proof provided for in the preceding paragraph for each transaction that they carry out.