7. Frequently asked questions

How long does it take to apply for prior authorization for environmentally classified facilities?

If your ICPE classification has changed in relation to a 1XXX heading in the nomenclature of classified installations, as a result of a change in the classification of your products, you must submit your request for prior registration within 12 months (article L. 513-1 of the Code de l’environnement , circulaire BRTICP/2009-127 du 23 juin 2009 ). You should also check the requirements and deadlines that now apply to you (see Checking the ICPE classification linked to the use or storage of chemical products