(1) Before the beginning of each working year, the members of the Enlarged Board of Appeal who have not been appointed under Article 160, paragraph 2, shall designate the regular and alternate members of the Enlarged Board of Appeal.
(2) The members of the Enlarged Board of Appeal who have not been appointed under Article 160, paragraph 2, shall adopt the Rules of Procedure of the Enlarged Board of Appeal.
(3) Decisions on matters mentioned in paragraphs 1 and 2 may only be taken if at least five members are present, including the Chairman of the Enlarged Board of Appeal or his deputy; in the event of parity of votes, the Chairman or his deputy shall have the casting vote. Abstentions shall not be considered as votes.