Congregation for Divine Worship and the Discipline of the Sacraments, Response to a dubium concerning Vestments to be Worn by Religious Priests and Deacons, 2000.

Whether in [religious] institutes where it is the custom to wear a choir habit the priests may concelebrate while wearing a stole without an alb?

Response. Negative.

Notitiae 36 (2000): 320; W.H. Woestman, Sacraments: Initiation, Penance, Anointing of the Sick: Commentary on Canons 840-1007 (Ottawa, Saint Paul University, Faculty of Canon Law, 2004): 423.