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# Recital 85

*In force · Regulation (EU) 2022/2065, OJ L 277, 27.10.2022 · Checked against EUR-Lex on 26 Oct 2026 · [Official source](https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:32022R2065)*

In order to make it possible that subsequent risk assessments build on each other and show the evolution of the risks identified, as well as to facilitate investigations and enforcement actions, providers of very large online platforms and of very large online search engines should preserve all supporting documents relating to the risk assessments that they carried out, such as information regarding the preparation thereof, underlying data and data on the testing of their algorithmic systems.