http://www.legislation.gov.uk/ukpga/2000/26/section/47/notesPostal servicesCouncil policies and plansLegislationTrading standardsConsumer complaintsExplanatory Notes to Postal Services Act 2000Department of Trade and IndustryKing's Printer of Acts of Parliament2014-03-03 26 28 July 2000 66 Section 47 provides powers for the Commission to require information and documents from any person for any relevant purpose; “relevant purpose” is defined in subsection (6). But no person may be required to provide information or documents which he could not be compelled to produce or supply in evidence in civil proceedings before the court.