Article 11a F1
An official shall not, in the performance of his duties and save as hereinafter provided, deal with a matter in which, directly or indirectly, he has any personal interest such as to impair his independence, and, in particular, family and financial interests.
Any official to whom it falls, in the performance of his duties, to deal with a matter referred to above shall immediately inform the Appointing Authority. The Appointing Authority shall take any appropriate measure, and may in particular relieve the official from responsibility in this matter.
An official may neither keep nor acquire, directly or indirectly, in undertakings which are subject to the authority of the institution to which he belongs or which have dealings with that institution, any interest of such kind or magnitude as might impair his independence in the performance of his duties.