The Lead diagnosis has been compulsory since 2004 . It is also used 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 tenants with a Lead Exposure Risk Certificate (CREP).

 

  In the presence of Lead in the paintings, its period of validity is 6 years for a rental , it is unlimited when there is none.

 

  In some cases, this can go as far as an obligation to carry out renovations.