Anyone may become a member, including those who are not baptised or confirmed in The Christian Community (or any other church).
Members are united by a common experience of the reality of the sacraments. Becoming a member is a decision to be taken by a mature adult. What is required is to become familiar with the sacramental life and to feel at home in it. The final decision and what follows from it will be clarified in a conversation with a priest who will receive the new member.