Where representation by a lawyer is not compulsory, the parties shall defend themselves.
The parties may be assisted or represented by:
-a lawyer;
-their spouse, cohabitee or the person with whom they have entered into a civil solidarity pact;
-their parents or relatives in the direct line;
-their parents or relatives in the collateral line up to and including the third degree;
-persons exclusively attached to their personal service or business.
The representative, if not a lawyer, must provide proof of a special power of attorney.