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Support topics and documentation


No of employees tag requirement

Accounts and general

Questions and answers

Tagging guide

The conundrum of the detailed profit and loss account

Large file size of iXBRL workbooks/files open and save slowly/saving an iXBRL workbook causes Excel 2007 to hang

Items not apparently tagged when iXBRL file displayed in VT Fact Viewer

Information within the accounts does not match that on the CT600 message received from HMRC when submitting a tax return

iXBRL file has become corrupted after opening it in Excel

ix:references not found in input document set message received when submitting an iXBRL file

Organisations not incorporated under the Companies Act

iXBRL and the directors report

Online filing of CT returns at the end of a company's life

Malformed XML message received from HMRC when submitting a return


Corporation tax

Corporation tax accounting period different to that in statutory accounts

Extended accounting period