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Last updated 5 January 2021

The Network and Information Systems (NIS) Directive provides legal measures to boost the overall level of network and information system security in the EU. The UK implemented the NIS Directive through the Network and Information Systems Regulations (2018). The NIS Regulations apply to operators of essential services and Relevant Digital Service Providers (RDSPs). If you are unsure whether your organisation is an RDSP read the section .

Organisations based in the UK offering services in the EU

You must:

• comply with the law in that EU member state
• appoint a representative in one of the EU member states where you offer services

Appoint a representative in the EU

You need to do this in writing, following the formal process set by the country you’re working in. You will need to state that you have designated a representative that may act on your behalf in order to fulfil those legal requirements.

Your representative may act on your behalf with the regulators and the teams responsible for investigating security incidents in the country you’re working in. The representative will be under the jurisdiction of the member state where you offer services and it should be possible for competent authorities to contact that representative.

You should tell the Information Commissioner's Office (ICO) that you have appointed a representative in another country.

Identifying whether your organisation is an RDSP in the UK

A digital service provider (DSP) is anyone who provides one or more of these three types of digital service:

• online marketplaces
• online search engines
• cloud computing services

The NIS Directive became UK law via the NIS Regulations. Under the NIS Regulations, a digital service provider is a relevant digital service provider (RDSP) if it meets the following 3 criteria:

• 50 or more staff, or a turnover of more than €10m per year, or a balance sheet total of more than €10m per year
• its main establishment is in the UK or it has nominated a representative in the UK or EU
• it offers services in the EU

Digital service provider are likely to be considered to be offering services within the EU if they:

• use a language generally used in one or more EU countries
• use a currency generally used in one or more EU countries
• mention customers or users who are in the EU
• customers can order services in a language generally used in one or more EU countries

Digital service providers with fewer than 50 staff, and a turnover or balance sheet of less than €10 million a year are exempt from the NIS Regulations and Directive.

More detailed descriptions of digital services can be found in the , the text of the , the Commission  on Art 16(8) of NIS Directive, and the  to the targeted consultation for digital service providers. Further information on identifying relevant Competent Authorities in EU Member States is available on , alongside their contact details to register.

How RDSPs are regulated in the UK

The ICO is in charge of regulating RDSPs in the UK. Under the NIS Regulations, RDSPs must:

• register with the ICO
• have appropriate and proportionate security measures in place to manage risks to the network and information systems that 91Ï㽶»ÆÉ«ÊÓƵ their service
• notify incidents to the ICO, where those incidents have a substantial impact on the provision of their service

Further guidance

NIS Regulations - read the guidance for  operating in the UK.