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Ad tuendam fidem Latin for 'To Protect the Faith' Apostolic constitution of Pope John Paul II

Signature date	18 May 1998
Subject	Profession of faith
Text	In Latin In English
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Ad tuendam fidem (English: To Protect the Faith) is an apostolic letter of Pope John Paul II issued motu proprio on May 18, 1998.^[1] The apostolic letter modified the Oriental and Latin codes of canon law specifying the form of profession of faith to be made by ministers of the Church before assuming office.^[1]

^ ^a ^b John Paul II, Ad tuendam fidem, accessed Jan-9-2013