The Lead diagnosis has been compulsory since 2004 . It also makes it possible to identify situations of risk of infant poisoning or deterioration of housing.

 

  Owners who have obtained a building permit before January 1, 1949, must provide buyers with a Lead Exposure Risk Certificate (CREP in french).

 

  In the presence of Lead in the paintings, its period of validity is 1 year for a sale , it is unlimited when there is none.

 

  In some cases of extreme deterioration , this can go as far as an obligation to carry out renovation work.