Article 21 — Data carriers and unique identifiers

1. The data carriers, the unique product identifiers and the unique operator identifiers required pursuant to this Regulation shall comply with the standards applicable to data carriers, unique product identifiers and unique operator identifiers pursuant to Regulation (EU) 2024/1781. 2. Article 12(2) of Regulation (EU) 2024/1781 shall apply to economic operators who create or update a digital product passport pursuant to this Regulation where a unique operator identifier is not yet available. Any rules and procedures for the lifecycle management of unique identifiers and data carriers set out in delegated acts adopted pursuant to Article 12(4) of Regulation (EU) 2024/1781 shall also apply in respect of unique identifiers and data carriers pursuant to this Regulation. 3. Where a toy is subject to an obligation to provide for a digital product passport pursuant to a delegated act adopted pursuant to Article 4 of Regulation (EU) 2024/1781 or pursuant to other Union law, the unique product identifier, the unique operator identifier and the unique registration identifier shall be the same. 4. Any procedures to issue and verify digital credentials of economic operators and other relevant actors that have access rights to data included in the digital product passport set out by implementing acts adopted pursuant to Article 11, fourth paragraph, of Regulation (EU) 2024/1781 shall also be applicable for the purposes of this Regulation. 5. Any requirements to be complied with by digital product passport service providers in order to become such providers, and, where appropriate, requirements for providing services set out in delegated acts adopted pursuant to Article 11, third paragraph, of Regulation (EU) 2024/1781 shall also be applicable for the purposes of this Regulation.