BIFA- British International Freight Association
http://www.bifa.org

IATA – International Air Transport Association
http://www.iata.org

HMRC – HM Revenue & Customs
http://www.hmrc.gov.uk

DTI – The Department of Trade and Industry
http://www.dti.gov.uk

DEFRA – Department for Environment Food and Rural Affairs
http://www.defra.gov.uk