UK OSA Section 11(6)(b), (e)-(f) and Section 12(2), 12(8)(b), 12(12) - Algorithms and content discovery in the children's ri…
Assess and mitigate the risk that algorithmic systems including recommendations, auto-play, and trending features amplify harmful content to children
Where this comes from
Provision: Section 11(6)(b), (e)-(f) and Section 12(2), 12(8)(b), 12(12) - Algorithms and content discovery in the children's risk assessment and safety measures
Instrument: UK Online Safety Act 2023
Citation: Online Safety Act 2023, c. 50, s 11(6)(b), (e) and (f) (algorithms, functionalities and auto-play in the children's risk assessment); s 12(2) and s 12(8)(b) (proportionate measures in the area of the design of functionalities, algorithms and other features); s 12(12) (terms-of-service information about proactive technology); s 13(1) (proportionality)
Text version: Online Safety Act 2023 c. 50, revised text as displayed on legislation.gov.uk on 2026-09-21 ('up to date with all changes known to be in force on or before 21 September 2026'), including the amendments made by the Crime and Policing Act 2026 in force from 29 June 2026 (S.I. 2026/689) and s 66 in force from 7 April 2026 (S.I. 2026/262). The as-enacted text is superseded.
Who it applies to
Children in scope — all of these:
- Service is likely to be accessed by children under 18
Content-shaping algorithm in use — any one of these:
- Service uses recommendation algorithms
- Service uses content personalization
What engineering work it implies
Sample acceptance criteria Landfall generates for this obligation:
- Assessment methodology is documented
- Assessment is completed and findings recorded
- Remediation plan created for identified risks
- Assessment is reviewed and signed off
- Assessment report is complete
Questions people ask
- Does UK OSA Section 11(6)(b), (e)-(f) and Section 12(2), 12(8)(b), 12(12) - Algori… apply to my service?
- It applies when Service is likely to be accessed by children under 18; and at least one of: Service uses recommendation algorithms; Service uses content personalization.
- From when does this apply?
- UK OSA Section 11(6)(b), (e)-(f) and Section 12(2), 12(8)(b), 12(12) - Algori… applies from 10 January 2024. Its current status is: in force.
Find out whether this one lands on you
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Not legal advice. Landfall maps regulatory obligations to engineering work for planning purposes. Its verdicts are not legal advice and create no attorney-client relationship — verify with qualified counsel before relying on them.