Does UK Online Safety Act 2023 require Risk Assessment?

United Kingdom • phased enforcement

Yes — 2 provisions

Requirements at a glance

This regulation imposes 9 specific requirements for Risk Assessment across 2 provisions:

Risk Assessment for AI Systems

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Obligation:
Risk Assessment
enforcing
Effective:
Jan 10, 2024
Risk tier:
all
Scope:
Providers of regulated user-to-user services with UK links; the children's assessment duty applies only where children are likely to access the service
Part 3 Chapter 2 duties cover regulated user-to-user services, regardless of whether AI generated the content. The parallel search-service duties sit in Chapter 3 (ss. 26, 28). Both sections commenced 10 Jan 2024 (S.I. 2023/1420, reg. 2(c), (d)); Ofcom compliance deadlines fell later.

Requirements

RequirementDetails
Illegal content risk assessmentCarry out a suitable and sufficient assessment of risks of users encountering priority or other illegal content, considering service algorithms and dissemination; keep it current and reassess before significant service changes (s. 9).
Children's risk assessmentIf the service is likely to be accessed by children, assess the statutory categories of harmful content and relevant design or algorithmic risk factors; keep the assessment current and reassess before significant service changes (s. 11).
Assessment recordMake and keep the required written record of each risk assessment (s. 23(2)). Safety mitigation duties are separately in ss. 10 and 12.

Penalties

ViolationFine
Applicable regulated-service breachSch. 13 para. 4 sets the applicable maximum at the greater of GBP 18M or 10% of qualifying worldwide revenue, subject to its qualifications.

Risk Assessment for Search Services

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Obligation:
Risk Assessment
enforcing
Effective:
Jan 10, 2024
Risk tier:
all
Scope:
providers of regulated search services, and providers of combined services in respect of the search engine
Part 3 Chapter 3 covers search-specific risks: s. 26(5)(a) names algorithms, indexing, organisation and presentation of results, and s. 28(5)(c) names predictive search functionality. These are functionality factors, not an AI-origin trigger. Both sections commenced 10 Jan 2024 (S.I. 2023/1420, reg. 2(j)).

Requirements

RequirementDetails
Illegal content risk assessmentSuitable and sufficient assessment of the risk of users encountering priority and other illegal content in search content, taking into account risks presented by the service's algorithms and by how it indexes, organises and presents results (s.26(2), (5)(a))
Children's risk assessmentWhere the service is likely to be accessed by children, a further assessment covering primary priority, priority and non-designated content harmful to children, with separate consideration by age group and explicit assessment of predictive search functionality (s.28(2), (5)(a), (5)(c))
Keep assessments currentDuty to keep each assessment up to date, including when Ofcom significantly changes an applicable risk profile (ss.26(3), 28(3))
Reassess before significant changeFurther assessment before any significant change to the design or operation of the service, covering the impacts of that change (ss.26(4), 28(4))
Assessment timingAssessments carried out at the times set out in Schedule 3
RecordsRecords of risk assessments kept under s.34(2) and (9)

Penalties

ViolationFine
Non-complianceGreater of GBP 18M or 10% of qualifying worldwide revenue (Sch. 13 para. 4)
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