HMRC has stated that it "will be reasonable" regarding difficulties and mistakes in connection with the filing of iXBRL-tagged company accounts from 1 April 2011, for accounting periods ending after 31 March 2010..
HMRC will expect companies to "make a reasonable attempt" to comply with online filing, including iXBRL tagging, but it understands that people will not get everything perfect from day one.
In particular, HMRC will not:
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