Holy Orders is the Sacrament through which the mission entrusted by Christ to his apostles continues to be exercised in the Church until the end of time: thus it is the sacrament of apostolic ministry. It includes three degrees: episcopate, presbyterate, and diaconate. (CCC 1536)

DOR Vocations Office
DOR Deaconate
FAQs
The Key to Discernment
4 Helpful Rules for Discernment
Holy Orders Resources (USCCB)