General meetings. Meetings shall be convened at least seven (7) days before the scheduled date, by the President, the General Manager, or the Chairman of the Supervisory Board or of any shareholder holding alone or with other shareholders’ 30% of the shares, by any means, and the meeting notice must indicate the date, time, venue and agenda of the meeting. Meetings may be convened at shorter notice in the event of an emergency, on the condition that the person convening the meeting explains the emergency in the meeting notice. If all the shareholders are present or represented, a meeting may be validly convened verbally and held without delay. The author of the convocation shall send to the shareholders the documents containing the information they require. Meetings shall be chaired by the President. Failing this, the shareholders shall elect a chairman at the meeting. An attendance sheet shall be prepared at each meeting. Article 21 -