Can. 656

For the validity of temporary profession it is required that:

1/ the person who is to make it has completed at least eighteen years of age;

2/ the novitiate has been validly completed;

3/ admission has been given freely by the competent superior with the vote of the council according to the norm of law;

4/ the profession is expressed and made without force, grave fear, or malice;

5/ the profession is received by a legitimate superior personally or through another.

Read the whole title TITLE IIReligious Institutes 607–709