The Government Says

Memorandum of Understanding for police witness evidence by live links (remote hearings)

Memorandum of Understanding for police witness evidence by live links (remote hearings)
Local copy of Police_witness_evidence_by_Live_links_MOU_NPCC_HMCTS_CPS_FINAL.pdf

https://www.gov.uk/government/publications/memorandum-of-understanding-for-police-witness-evidence-by-live-links-remote-hearings

seen at 16:33, 30 September in Transparency and freedom of information releases.