Canon 517

1. One is admitted validly to the novitiate of an order or congregation who has completed the seventeenth year of age. In respect to other requirements for admission to the novitiate cann.

448, 450, 452, and 454 shall be observed. 2. No one is admitted lawfully to the novitiate of a religious institute of another

Church sui iuris without the permission of the Apostolic See, unless it is a candidate who is destined for a province or house,

mentioned in can. 432, of the same Church.