In your terms of sale, on your website, and to any buyer who asks. Article R. 541-173 of the Environmental Code requires a producer to state its IDU in its general terms and conditions of sale, or in another contractual document given to the buyer if it has none. Article L. 541-10-10 requires a producer with a website to show it there, in the same way as its legal notices, and a seller to give a buyer, on request, the IDU of the producer meeting the EPR obligations for that product.Sources (2)ADEMEADEME — all about the unique identifier (IDU)
LégifranceLégifrance — Code de l'environnement
Frequently asked questions
We resell other brands' products. Whose IDU do we show?
If you are not the producer yourself, ADEME says you obtain the IDU from your supplier and give it to buyers who ask.
