Only national organizations for OI in Europe can become ordinary members of OIFE. Ordinary members appoint a representative (with substitutes) who is the contact point for OIFE during the year and who has a vote at the General Assembly.
National OI-organizations outside Europe can become associate members. Associate members appoint a representative (with substitutes) who is the contact point for OIFE during the year, but does not have a vote at the General Assembly.
Any national or international organization related to osteogenesis imperfecta who doesn’t fit into the other categories can become a supporting member. OIFE has two types of supporting members at the moment – research foundations and aid organizations helping individuals in developing countries.