What is prescribed by articles 447,451,454, as regards the mention of the names of judges, 455 (paragraph 1) and 456 (paragraphs 1 and 2) must be observed on pain of nullity.
However, no nullity may subsequently be raised or raised ex officio for failure to observe the forms prescribed in articles 451 and 452 if it has not been raised at the time of delivery of the judgment by simple observations, a mention of which is made in the hearing register.