e-service developers DecisionSoft Ltd HMRC 2005-02-02 2008-06-26 text/xml http://www.w3.org/2001/XMLSchema XML Schema, W3C Recommendation 2001 [ISO 639-2/B] ENG HMRC PensionCore core-v2-0 AccountingForTax (C) Crown Copyright 2004-2005 Economics, Finance and Tax Pension Schemes Online Accounting for Tax message message