Complaints against article 18 or article 19 are introduced upon request and must be delivered to the secretary of the municipality or the Council of burgomasters and lay judges against receipt and together with all the supporting documents by registered mail.

The public officer who receives the complaint is legally obligated to record it on the day of delivery in a special register and to hand out a receipt; to create a file for each complaint, to number and sign the pieces and to enlist them with their reference number in the inventory listings enclosed to each file.