C-72.01, r. 1 - Rules of the municipal courts

Full text
28. Dress code for attorneys. Unless otherwise ordered by the judge, no attorney shall address the court unless dressed as follows:
(a)  male attorneys and articled students shall wear conservative trousers, jacket, shirt and tie or a black robe;
(b)  female attorneys and articled students shall wear a conservative skirt or trousers with a blouse and jacket or a dress, or a black robe.
O.C. 950-2005, s. 28.