Only one action is mandatory at launch if you sell in France: join a packaging producer responsibility organisation, Citeo or Léko, which passes on your unique identifier issued by ADEME. This is the number marketplaces request, and its absence is the most frequent reason for an account being blocked. The rest is good purchasing practice rather than a prerequisite formality: choose a packaging supplier established in the Union, triggering the micro-enterprise clause, and keep your invoices as evidence. As long as you sell only in France, you have no authorised representative to appoint.
Read the source article: PPWR small business obligations: the micro-enterprise rule