If the SSPX would announce that they accept Vatican Council II interpreted with the false premise their Mass would be doctrinally licit for the Congregation for the Doctrine of the Faith, the Congregation for Divine Liturgy, Pope Benedict and Pope Francis, cardinals and bishops and Peter Kwasniewski

 If the SSPX would announce that they accept Vatican Council II interpreted with the false premise their Mass would be doctrinally licit for the Congregation for the Doctrine of the Faith, the Congregation for Divine Liturgy, Pope Benedict, Pope Francis,cardinals and bishops and Peter Kwasniewski.  -Lionel Andrades

https://rorate-caeli.blogspot.com/2020/11/the-four-qualities-of-liturgy-validity.html