Question 152 – Can the laity speak up during Holy Mass if a priest preaches heresy?

Interview Organization: Confraternity of Our Lady of Fatima
Interviewer Name: Christopher P. Wendt
Date: January 13, 2023
Consider making declarations or clarifications outside the church after Mass, or publishing a request for clarification instead of addressing it within the church.
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Transcript:

I think it would not be fitting to do this because it is a public liturgy, and in this situation, it may cause irreverence during the Mass. After the Mass, perhaps one could make their declaration or clarification outside the church and not within the church premises. One could also publish something, asking for clarification.

For example, if a priest speaks out a heresy during a conference outside the church, then you can stand up and politely, reverently contradict the heresy, or ask for clarification.