sentences:  On 28 September 2006, the consultancy Accenture announced its intention to withdraw from £2bn of 10-year contracts with NPfIT, which were taken over in January 2007 by the CSC Alliance – both Accenture and CSC laid blame with iSOFT, although CSC has said it will be retaining iSOFT as its software provider for all its clusters.Earlier in the year Accenture had written off $450m from its accounts because of 'significant delays' in the programme.iSOFT announced in March 2011 that trading in its shares would be suspended pending a corporate announcement.