"in addition to the bishop, the law gives the faculty to confirm to the following,... priests who, in virtue of an office which they lawfully hold, baptize an adult or a child old enough for catechesis or receive a validly baptized adult into full communion with the Church."

In Eastern Catholic Churches, the usual minister of this sacrament is the parish priest, using olive oil consecrated by a bishop (i.e. chrism) and administering the sacrament immediately