We fully appreciate the problem, posed in the case of youth who accept Bahá'u'lláh but whose parents strongly oppose their withdrawal from the Church. In such cases where the parents oppose their withdrawal and insistence upon it by the youth would undermine the unity of the family it is permissible for the withdrawal to be postponed until the youth attains the age of 21. This would not, of course, in any way affect his acceptance into the Bahá'í community. As you mention, this is the very time at which such a newly-declared believer needs all the deepening and confirmation he can receive.
- The Universal House of Justice (From a letter dated 6 November 1972; Developing Distinctive Baha’i Communities, NSA of USA, 1998 edition)