free_text: Name of donor: Unite the union  Address of donor: 128 Theobalds Road, London WC1X 8TN   Amount of donation or nature and value if donation in kind: £60,000 for my mayoral campaign  Date received: 24 June 2015  Date accepted: 2 July 2015  Donor status: trade union   (Registered 03 August 2015)