e-service developers CoreFiling Ltd HMRC 2004-07-21 2011-01-21 text/xml http://www.w3.org/2001/XMLSchema XML Schema, W3C Recommendation 2001 [ISO 639-2/B] ENG HMRC PensionCore core-v2-0 ChangeAdministratorPractitioner (C) Crown Copyright 2004-11 Economics, Finance and Tax Pension Schemes Online Change of Scheme Administrator / Practitioner Details message message