HM Revenue & Customs has just started its communications programme about filing changes that will affect all companies. Both Companies House and HMRC are changing their filing requirements. Companies will be required to file accounts and corporate tax returns online in XBRL format (extensible Business Reporting Language).rnHMRC has announced that 'from 1 April 2011 for any accounting period ending after 31 March 2010, all company tax returns must be filed online with accompanying accounts and computations in XBRL format'. Some of these accounting periods may already have started, eg, 18-month periods starting 2 October 2008.
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