§1. The supreme moderator with the consent of the council can readmit without the burden of repeating the novitiate one who had legitimately left the institute after completing the novitiate or after profession. Moreover, it will be for the same moderator to determine an appropriate probation prior to temporary profession and the time of vows to precede perpetual profession, according to the norm of cann. 655 and 657.
§2. The superior of an autonomous monastery with the consent of the council possesses the same faculty.
Source: Code of Canon Law (Vatican.va)