# The Online Safety (CSEA Content Reporting by Regulated User-to-User Service Providers) Regulations 2026, Regulation 4: Registration with the NCA


(1) A provider and any third party provider must register with the NCA prior to submitting their first report pursuant to the reporting duty.
(2) The registering party must provide the following information to the NCA by using the online portal—
(a) name of the registering party,
(b) business address of the registering party, and
(c) country in which the registering party is based.
(3) The registering party must also register the relevant contact details listed in paragraph (5) with the NCA by using the online portal.
(4) Where a provider is using the services of a third party provider, both the provider and the third party provider must register the relevant contact details listed in paragraph (5).
(5) The relevant contact details are the name, email address and telephone number (including an international dialling code) of—
(a) the organisation administrator,
(b) the deputy organisation administrator, if appointed,
(c) an emergency contact (who may be the same person as the organisation administrator or deputy organisation administrator), and
(d) each authorised person.
(6) The registering party must keep those relevant contact details up to date for the duration of the reporting activity carried out under these Regulations.

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Source: https://www.legislation.gov.uk/uksi/2026/268/regulation/4 (the official version)
Page: https://openlegislation.uk/online-safety-csea-content-reporting-by-regulated-user-to-user-service-providers-regulations-2026/regulation-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.