The Government Says

Draft revised guidance on our approach to assessing merger efficiencies

Draft revised guidance on our approach to assessing merger efficiencies
Local copy of consultation_document.pdf
Local copy of draft_revised_guidance.pdf

https://www.gov.uk/government/consultations/draft-revised-guidance-on-our-approach-to-assessing-merger-efficiencies

seen at 11:31, 3 June in Policy papers and consultations.