The Vestments of Deacon and Subdeacon. The deacon and subdeacon do not
wear dalmatics at Solemn Mass during this season, but in their place
wear the "folded violet chasubles," except on the third Sunday of
Advent (Gaudete Sunday) and on Christmas Eve, when they wear the
dalmatics. The "Broad Stole" (Stolone) where used, is also worn over
the deacon's stole by the deacon at certain parts of Mass in this time.
(2) The Color of the Vestments. The color of the vestments on
the third or "Gaudete" Sunday is Rose where possible, otherwise violet.
Altar Decorations. The altar is not decorated with flowers or other
ornaments during Advent, except on the third Sunday, or "Gaudete"
Sunday, and Christmas Eve.