Aims to provide its members with affordable housing for rent or, under certain conditions, for sale, and to permanently remove it from speculation; pursues its goals with a focus on environmentally friendly and resource-efficient practices; does not seek to make a profit; builds, rents and sells affordable housing primarily to its members; refrains from building detached single-family homes; can acquire, encumber and sell plots of land, properties and building rights, as well as participate in companies with similar or identical objectives.