UK OSA Sections 9-10 — Illegal content safety duties
Operate proportionate systems to prevent users encountering priority illegal content and minimise the time any illegal content remains on the service
Where this comes from
Provision: Sections 9-10 — Illegal content safety duties
Instrument: UK Online Safety Act 2023
Citation: Online Safety Act 2023, c. 50, Sections 9-10; Schedule 6 (Priority offences); Ofcom Illegal Content Codes of Practice (December 2024)
Text version: Online Safety Act 2023 c. 50, as enacted (legislation.gov.uk)
Who it applies to
User-to-user content surface — any one of these:
- Service allows user-generated content
- Service enables direct messaging between users
What engineering work it implies
Sample acceptance criteria Landfall generates for this obligation:
- Content can be flagged (by users and/or automated classifiers) and enters a moderation queue
- Moderation decisions (allow / remove / restrict / escalate) are recorded with reviewer, reason, and timestamp
- Priority/expedited handling exists for illegal content and child-safety categories
- Affected users are notified of moderation actions with a stated reason and appeal path
- Repeat-offender and re-upload prevention is in place where required
Questions people ask
- Does UK OSA Sections 9-10 — Illegal content safety duties apply to my service?
- It applies when at least one of: Service allows user-generated content; Service enables direct messaging between users.
- From when does this apply?
- UK OSA Sections 9-10 — Illegal content safety duties applies from 26 October 2023. Its current status is: in force.
Find out whether this one lands on you
Landfall's pre-scan answers the applicability question above for your product in minutes, then turns every obligation that applies into traceable engineering tickets with a citation chain your auditors can follow.
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.