Article R1331-75 of the French Public Health Code
A certificate is issued within fifteen working days of completion of each chimney sweeping or maintenance operation. The chimney sweeping certificate specifies the flue(s) swept and certifies that the entire length of the flue is empty. The certificate is given to the contractor mentioned in article R. 1331-21, who keeps it and makes it available to the agents mentioned in article L. 1312-1 of this code and to the Article…