1. In order to ensure that Annex I lists all relevant Union legal acts pursuant to which chemicals data are generated or submitted to the Agencies or to the Commission, and in order to keep the common data platform up to date, as soon as new Union legal acts pursuant to which chemicals data are generated or submitted enter into force, or an existing Union legal act is amended to introduce provisions on the generation or submission of data, the Commission shall adopt delegated acts in accordance with Article 28 to amend Annex I by adding those Union legal acts to that Annex, where the Union legal act concerned did not amend Annex I accordingly.