In the Catholic Church, the vows of members of religious orders and congregations are regulated by canons 654-658 of the Code of Canon Law. These are public vows, meaning vows accepted by a superior in the name of the Church, and they are usually of two durations: temporary, and, after a few years, final vows (permanent or "perpetual"). Depending on the order, temporary vows may be renewed a number of times before permission to take final vows is given. There are exceptions: the Jesuits' first vows are perpetual, for instance, and the Sisters of Charity take only temporary but renewable vows.