In the April 2008 edition of the Employer Bulletin, HMRC has published a list of errors to avoid when completing P1 1Ds for the 2007–08 tax year. The list was complied from reviewing the 2006–07 expenses and benefit returns, and it includes the main errors that stop HMRC from processing the forms.

Further information is available at http://www.hmrc.gov.uk/employers-bulletin/bulletin29/p11d-completion.htm.