Shareholders who, on the basis of the provisions of articles L. 225-251 and L. 225-256, intend to claim compensation from the directors, the Chief Executive Officer or the members of the Management Board for the loss they have personally suffered as a result of the same facts may give one or more of them a mandate to act on their behalf before the civil courts, subject to the following conditions:
1° The power of attorney shall be in writing and shall expressly state that it gives the agent or agents the power to carry out all procedural acts on behalf of the principal; it shall specify, where applicable, that it carries with it the power to exercise remedies;
2° The legal claim shall state the surname, first names and address of each of the principals as well as the number of shares they hold. It shall specify the amount of compensation claimed by each of them.