Interpretation
8. In this Part—
“the Communications Protocol” means the UK Focal Point Communications Protocol, being the protocol for bringing the UK public health agencies into permanent communication with one another in order to facilitate the prevention and control of serious cross-border health threats(1) as amended by the Committee from time to time;
“public health measure” means a decision or an action taken which is aimed at preventing, monitoring or controlling the spread of diseases or contamination, combating severe risks to public health or mitigating their impact on public health.
https://www.gov.uk/government/publications/international-health-regulations-2005-uk-national-focal-point-communications-protocol. A hard copy can be obtained from the Department of Health and Social Care, UK Health Security Team, 39 Victoria Street, London SW1H 0EU.