DG Security Adviser

When the adviser is no longer able to carry out his duties, the business manager is required to appoint a new adviser, at the latest within two months.
The business manager must indicate within fifteen days this change following the dematerialized procedure.

https://declaration-cstmd.din.developpement-durable.gouv.fr/

More generally, the business manager must declare any changes to the data contained in the initial declaration of the advisor.