In bold what's in Trent but not in CCC: Preparation of Body (page 158): Fasting from the preceding midnight (CCC 1387) Abstain from the marriage debt for some days previous to Communion Preparation of Soul (page 158): Venerate the Presence Ask if we are at peace and love our neighbor (related to CCC 1385) Confession (CCC 1385) Reflect how unworthy we are (CCC 1386) Question whether we can say with Peter, Lord, thou knowest that I love thee