Canon 504

1. An order is a society erected by competent ecclesiastical

authority in which the members, although they are not monks, make

a profession which is equivalent to monastic profession. 2. A

congregation is a society erected by competent ecclesiastical

authority in which the members make the three public vows of obedience, chastity and poverty, which however are not equivalent to

monastic profession, but have their own force according to the

law.