text: The Pope cannot change the teaching of the Church whenever he chooses. Apostolicae Curae cannot be set aside. AC only referred to orders conferred up to the publication of the Bull. The participation of Old Catholic bishops in Anglican ordinations might re-open the question but it is unlikely to make any difference. The defect of intention was manifested by the deliberate use of a rite with a defective form. Old Catholic or Orthodox bishops may well have had the correct intention but their use of a defective rite has still to be taken into account.