41. Every dealer must keep a register in which he must enter the description and identification number of every road vehicle he acquires, exchanges or sells, the date on which each such transaction is made and the name and address of the person with whom it is made.
Furthermore, the dealer must indicate on the contract and on the bill of sale concerning the purchase, exchange or sale of a road vehicle the number of kilometres or miles showing on the odometer of the vehicle, and the number of kilometres or miles actually covered if this number differs from that showing on the odometer.
The dealer must keep the contract and bill of sale for a period of two years.