22.214.171.124 Ecumenical and Interreligious, Organizations, Associations and Public Dialogue
1. The authorization of the bishop is required for a Catholic, whether cleric or lay, to participate in a public ecumenical panel of any type whether conducted on television, radio, or in public forums. The local ordinary may grant this authorization. 
2. Catholic clergy and lay ecclesial ministers may join local ministerial associations. In joining such groups, they should reserve the right to disassociate themselves from any such statements with which the Catholic Church would disagree. 
3. Individual parishes may send observers, if invited, to local Councils of Churches. 
 See c. 772 §2 and USCCB complementary norm, Giving Radio or TV Talks, c. 833 and USCCB complementary norm, Clerics, Members of Religious Institutes on Radio, Television, Canon 831§2.
 See Ecumenical Directory, n. 163-164, 165-171 and 211.
 The Catholic Church is not a member of the National Council of Churches. However, the USCCB participates in its Faith and Order Commission. The USCCB is a member of Christian Churches Together in the USA. See USCCB, Bishop’s Committee For Ecumenical And Interreligious Affairs, http://www.usccb.org/beliefs-and-teachings/dialogue-with-others/.