103. Subject to section 104, a person who has already received the services of an advocate who still has not completed the mandate entrusted may obtain from the director general the services of another advocate if the person gives reasonable reasons. The advocate, if not in the employ of a centre or the Commission, must send a statement of fees and expenses, in accordance with the second paragraph of section 10 of the Regulation respecting the report relating to the services rendered by certain advocates and notaries (chapter A-14, r. 8), as soon as the advocate is informed in writing that the case has been entrusted to another advocate.