To ask the Chancellor of the Exchequer which computer systems within his Department use XML. [98112]

The following live computer systems make use of XML:In HM Treasurya) The departmental finance and purchasing system (name of system is ABACUS)b) The main Treasury website.In the Office for National Statisticsc) The Business Surveys sub-system that handles faxed replies from contributors.d) The system which supplies information to the TSO for the government wide 'Information Asset Register'e) The English Housing Conditions Survey system.In the Inland RevenueFor external (customer) and Inter-governmental communications in these systemsf) New Tax Creditsg) Corporation Taxh) PAYEi) Self Assessmentj) Government Gateway Authentication and Communicationk) NIRSAnd for internal communication and storage in:1) Self Assessmentm) New Tax Creditsn) NIRSo) Software Frameworksp) Call Centre Programmeq) GovRulesr) IR IntranetIn the HMCEFor communication with the Government Gateway in the following systemss) Trader Registrationt) New Export System and in the following other systems:u) e-aggregatesv) Climate Change levyw) CHIEF printingx) New Computerised Transit System