15. Where the amount in dispute is less than $5,000, the application for arbitration shall be heard by a council of arbitration composed of a single arbitrator designated from among arbitration committee members by the secretary of the committee.
Where the amount in dispute is $5,000 or more, the application for arbitration shall be heard by a council of arbitration comprising three arbitrators designated from among arbitration committee members by the secretary of the committee. The 3 arbitrators shall designate a chair and a secretary from among themselves.
The amount in dispute corresponds to the difference between the amount of the account for professional services and the amount acknowledged by the client as being due to the notary.