Chapter 21 — Part II: The Sacraments — Holy Orders
Section 27. They are divided into major or sacred, and minor orders. The major or sacred orders are priesthood, deaconship and subdeaconship; while the minor orders are those of acolyte, exorcist, lector and porter, concerning each of which we shall now say a few words so that the pastor may be able to explain them to those especially whom he knows to be about to receive any of the orders in question.