As far as I remember, there is no rule in the Bible as to who can baptize a new believer. However, I'm almost certain that sometime in the early history of the Roman Catholic church, someone or some ...
I heard that some things (like getting an abortion or attacking the pope) have the penalty of latae sententiae excommunication. What is that?
From this question, Why can't the laity preach a homily, and can a lay person ever preach?, in the Catholic Church, what determines the licitness vs. the validity of something. Please give examples.
From this, Rochester diocese ends illicit practice of allowing lay people to preach homilies, perhaps because this was going on for such a long time, a person would ask what is the authoritative ...