All of them have to keep special supplies of altar wine. Over and above this altar wine, reserved for sacramental use, drink enters some presbyteries, but not others. It depends upon the needs of the individual Priest. If a Priest took drink to excess, he would be guilty of sin, and a worse sin than a layman would commit owing to the scandal given by violating the dignity and requirements of his sacred office. Otherwise there would be no harm whatever in a Priest taking drink in moderation.
Radio Replies Volume 1 by Rev. Dr. Leslie Rumble MSC and Rev. Charles Mortimer Carty