The formation
voluntas dei formation consists of five stages:
1. Candidacy or observation period (six months to two years)
2. Aspirancy (six months to two years)
3. Probation (two to four years)
4. Profession / Commitment (five to seven years)
5. Stability (permanent stage)
After the stability, every member is called to renew his/her vows/commitment (Five to seven years)
He can also renew them on month before or one month after the appropriate date keeping always the same official date of their vows or commitments.