2. A client who has a dispute with a town planner concerning the amount of an account for professional services that he has already paid in whole or in part may file a written application for conciliation within a 45-day period from the date of receipt of the account.
Where, in payment of the account, sums have been withdrawn or withheld by the town planner from the funds that he holds or receives for or on behalf of the client, the period runs from the day on which the client becomes aware of the withdrawal or withholding.