Article 1516 of the French General Tax Code
I. – The rental values of the built properties mentioned in I of article 1496, industrial establishments mentioned in article 1499 and premises whose rental value is determined under the specific conditions set out in article 1501 as well as that of non-built properties are updated according to a procedure comprising: 1° The annual recording of changes affecting these properties; 2° The updating, every three years, of the valuations resulting…