During 2010 accountants have faced an onslaught of information related to the impending transition to mandatory electronic filing of corporation tax (CT) using the eXtensible Business Reporting Language XBRL – or rather, the HM Revenue & Customs variant, iXBRL. Much of it has related to software and systems and services and it’s not hard to understand why. After all, meeting the new iXBRL CT e-filing requirements will not be possible without the support of software and services that have been specially designed or modified for the purpose.