The Government Says

Proposals for new legislation to strengthen the security and resilience of critical undersea infrastructure (CUI)

Proposals for new legislation to strengthen the security and resilience of critical undersea infrastructure (CUI)
Local copy of web_accessible_E03683331_CP_1683_Subsea_Infrastructure_Security_and_Resilience_Accessible.pdf

https://www.gov.uk/government/consultations/proposals-for-new-legislation-to-strengthen-the-security-and-resilience-of-critical-undersea-infrastructure-cui

seen at 10:31, 22 October in Policy papers and consultations.