It was reported last night that 80 parliamentary passes issued by all-party groups had been revoked by the Commons authorities after it was discovered 40 were held by lobbyists. All-Party Parliamentary China Group Chair: Richard Graham (Con). Vice-chairs include Lord Steel (Lib Dem) Remit: To "engage with the People's Republic of China (including Hong Kong) and to develop all aspects of the bilateral relationship." Arranged trip to Hong Kong, paid for by Hong Kong government. Income: £48,574. Supporters: GKN Group Services (£10,000), HSBC (£10,000), City of London (£5,000) All-Party Parliamentary Group for Trade and Investment Chair: Margot James (Con). Vice-chairs include Pat McFadden (Lab) Remit: "To research and inform debate over how best to support British exporters ... and encourage foreign direct investment into the UK." Income: £84,000 Supporters: Barclays (£40,000) and Prudential (£40,000) Parliamentary Advisory Council for Transport Safety Co-chairs: Jim Fitzpatrick (Lab), Sir Peter Bottomley (Con), John Leech (Lib Dem) Remit: Registered charity which updates Parliament on air, rail and road safety issues; to "protect human life through the promotion of transport safety for the public benefit." Income: £66,050. Supporters: Volvo (£17,192), Direct Line Group (£5,000), Michelin Tyres (£3,400). All-Party Parliamentary Corporate Governance Group Chair: Andrew Tyrie. Remit: To promote a "culture based on responsible leadership and investment, thus enabling corporates and their shareholders to enhance prosperity for the benefit of shareholders. Income: £62,000. Supporters: Lloyds TSB (£10,000), Standard Life (£7,500), Old Mutual (£5,000) All-Party Parliamentary Beer Group Chair: Andrew Griffiths (Con) Vicechairs include Dan Rogerson (Lib Dem) Remit: To promote the wholesomeness and enjoyment of beer and the unique role of the pub in UK society Income: £65,849 Supporters: Molson Coors (£8,227), Greene King (£6,227) and Carlsberg (£3,000) All-Party Parliamentary group for the Armed Forces Chair: James Gray (Con). Vice chairs include Bob Ainsworth (Lab) Remit: "To promote in Parliament better understanding of the UK's armed forces, and their objectives and activities." Organises receptions for troops returning from combat. Income: £39,300 Supporters: BAE Systems (£8,700), Babcock International (£8,500). Lockheed Martin (£2,000) Parliamentary Internet and Communications Technology Forum Co-chairs: Stephen Mosley (Con), Chinyelu Onwurah (Lab) Remit: Updates on digitial economy, to "provide a meeting place for Parliament, government, business and other interests to exchange information and opinions." Runs IT campaign in schools. Income: £209,728 Supporters: Motorola (£31,128), Vodafone (£6,000), Fujitsu (£6,000)