The Roman Catholic Church, officially known as the Catholic Church is the world's largest Christianity Ecclesia , representing over half of all Christians and one-sixth of the world population.... , is an additional bishop
Bishop (Catholic Church)
In the Catholic Church, a bishop is an Holy Orders Minister who holds the fullness of the Sacrament of Holy Orders and is responsible for teaching the faith and ruling the church.... assigned to a diocese
Diocese
In many rites of the Roman Catholic Church and in Anglicanism, a diocese is an administrative territorial unit administered by a bishop. It is also referred to as a bishopric or Episcopal Area or episcopal see, though strictly the term episcopal see refers to the domain of ecclesiastical authority officially held by the bi... because the diocesan bishop is unable to perform his functions, the diocese is so extensive that it requires more than one bishop to administer, or the diocese is attached to a royal or imperial office requiring the diocesan bishop's protracted presence at court. According to Canon law
Canon law (Catholic Church)
Canon Law, the ecclesiastical law of the Catholic Church, is a fully developed legal system, with all the necessary elements: courts, lawyers, judges, a fully articulated legal code and principles of legal interpretation.... , no bishop can be ordained
Ordination
In general religious use, ordination is the process by which individuals are Consecration, that is, set apart as clergy to perform various religious rites and ceremonies.... without title to a certain and distinct episcopal see
Episcopal See
An episcopal see is, in the original sense, the official seat of a bishop. This seat, which is also referred to the bishop's cathedra, is placed in the bishop's principal church, which is therefore called the bishop's cathedral.... which he governs either actually or potentially, therefore auxiliary bishops are titular bishop
Titular bishop
A titular bishop is a Bishop of the Catholic Church who is not in charge of a diocese . Examples of bishops belonging to this category are coadjutor bishops, auxiliary bishops, bishops emeritus, vicar apostolic, nuncios, superiors of departments in the Roman Curia, and Cardinal Bishops of suburbicarian dioceses .... s to sees that no longer exist
Titular see
A titular see in the Roman Catholic Church is a Diocese or Archdiocese that now exists in title only. Until 1882, such titular sees, were distinguished by the Latin phrase in partibus infidelium or more often simply in partibus.... .
Canon law requires that the diocesan bishop appoint each auxiliary bishop as vicar general
Vicar general
A vicar general is the principal deputy of the bishop of a diocese for the exercise of administrative authority. As vicar of the bishop, the vicar general exercises the bishop's ordinary executive over the entire diocese and, thus, is the highest official in a diocese or other particular church after the diocesan bishop.... or episcopal vicar of the diocese.
