# The Online Safety Act 2023 (Category 1, Category 2A and Category 2B Threshold Conditions) Regulations 2025, Regulation 2: Interpretation


In these Regulations “active United Kingdom user” means—
(a) in relation to a regulated user-to-user service, any United Kingdom user who has accessed the user-to-user part of that service;
(b) in relation to the search engine of a regulated search service or the search engine of a combined service, any United Kingdom user who has encountered search content in or via search results of that regulated search service or combined service.

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Source: https://www.legislation.gov.uk/uksi/2025/226/regulation/2 (the official version)
Page: https://openlegislation.uk/online-safety-act-2023-category-1-category-2a-and-category-2b-threshold-conditions-regulations-2025/regulation-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.