What are the moral, religious, and promissory obligations of canon lawyers?

1. Where canon lawyers are charged with > advis[ing] people about how to exercise their rights [as Catholics] and to fulfill their obligations in accord with [canon] law 2. and Canon Law is defined as > operates in service to the Church that has supernatural responsibilities ... [and is] the legal expressions of Christ's will for his Church 3. and yet, one does not need to be called to holy orders (be a priest) to be a canon lawyer it is natural to question the moral, religious, and promissory obligations of canon lawyers. 1. Moral - Must canon lawyers live in accord to canon law to licitly practice? If not, is there a lesser law by which they must live? 2. Religious - Must canon lawyers be Catholics in good standing? 3. Promissory - Must canon lawyers make an oath before being licensed? If yes, what does that oath include? Source of quotes