No commissioner or employee in the Authority invited to attend a meeting in the area of the Authority’s competence and who has a direct or indirect interest in the topic submitted for deliberation shall be allowed to participate in its discussion, or express an opinion or vote thereon. Such commissioner or employee must disclose this interest, if any, at the beginning of the meeting, and shall leave the meeting prior to commencing the discussion of the topic. If the person of interest has voting capacity concerning any decision that shall be taken in respect of the said topic, that person shall not be included within the quorum for making decisions. Each person invited to a meeting on any area of the Authority’s competence and who has a direct or indirect interest in a topic submitted for deliberation must disclose such interest, if any, at the beginning of the meeting and before participating in the discussion or expressing opinion.In all cases, the chairman of the meeting must notify the attendants of the importance of the disclosure indicated in the two previous paragraphs.