Law n° 96-1107 of December 18, 1996 concerning the surface of joint ownership properties.

From the law, any salesman with the obligation to indicate the surface of the good sold in all the acts relating to a sale of batches in joint ownership.

(decree n° 97-532 of 23 May 1997)

Art. 4.1 - (decree n° 97-532 of 23 May 1997) The surface of part privative of a batch or of a fraction of batch mention with article 46 of law of 10 July 1965 be the surface of floor of room closed and cover after deduction of surface occupy by the wall, partition, functioning and stair-well d' escalier, sheath, embrasure of gate and of window. It is not taken account of the floors of the parts of the buildings a height lower than 1,80 meters.

If the law does not impose any method of measuring and does not compel landlords to use a professional for measuring, it is highly advised to choose one. Fitting to this law requires a rigorous measuring The buyer can take action in reduction in price against the seller when the real surface of the property is lower of more than 5% than that mentioned in the act.