e-service developers DecisionSoft Ltd HMRC 2004-07-22 2008-06-04 text/xml http://www.w3.org/2001/XMLSchema XML Schema, W3C Recommendation 2001 [ISO 639-2/B] ENG HMRC core-v2-0 PensionCore SchemeEventReport SimpleDateType DetailedEntityType (C) Crown Copyright 2004-5 Economics, Finance and Tax Pension Schemes Online Event Report message message