I.-Physical delivery of unique identifiers at packaging unit level, as referred to in IV of Article L. 3512-23, is possible in the following cases:
1° Where the economic operator or, where applicable, the group of companies to which it belongs has handled fewer than one hundred and twenty million unique identifiers at packaging unit level during the previous calendar year;
2° For products manufactured or packaged in a country outside the European Union;
3° In the event of failure of the anti-handling device used by the manufacturer or importer;
4° In the event of total or partial failure of the system for issuing electronic unique identifiers.
II-Physical delivery of the unique identifiers to the packaging unit is carried out at the request of the operator.