Article 28
1.
A member of a grouping shall cease to belong to it on death or when he no longer complies with the conditions laid down in Article 4 (1).
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2.
In the event of the death of a natural person who is a member of a grouping, no person may become a member in his place except under the conditions laid down in the contract for the formation of the grouping or, failing that, with the unanimous agreement of the remaining members.