About the usefulness of employing the models of the Church in the study of canon law

Introduction It can be said that the Church is a society where law plays very significant role. There is no Church without law because law belongs to the Church’s nature and provides means to achieve the aims that the Church has. As it was said by the Pope John Paul II in the Praefatio to Codex Iuris Canonici from 1983: „(...) sana ordinatio iuridica prorsus necessaria est ut ecclesiastica communitas vigeat, crescat, floreat. The Founder of the Church, Jesus Christ, wanted for the law to express and organize the structure of the Church as a divine-human reality (LG 8). The reality in question has legal elements as its inseparable parts and as conditions of being the genuine Christ’s Church. During the Second Vatican Council the Church described itself as communio. The Church is communion of life, love and truth (LG 9). Nota explicativa praevia to Lumen gentium in no. 2 explains how to understand that expression. It is not understood as some kind of vague disposition but as an organic reality, which requires a juridical form and is animated by charity. The Church and its law must always be seen in mutual harmony and should be fathomed out together. The Church cannot be deprived of its