This question can be answered only at disproportionate cost. However, in respect of overseas travel by Cabinet Ministers, since 1999 the Government have published an annual list of all visits undertaken by Cabinet Ministers costing £500 or more during each financial year. Where non-scheduled aircraft are used this is shown in the list. Information for 2005-06 was published on 24 July 2006. Copies of the lists are available in the Library for the reference of Members. All Ministers’ travel is undertaken in accordance with the rules set out in the “Ministerial Code and Travel by Ministers”, copies of which are available in the Library for the reference of Members. All official travel is undertaken in accordance with the requirements of the “Civil Service Management Code”, a copy of which is also available in the Library for the reference of Members.