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HMRC internal manual

COTAX Manual

HM Revenue & Customs
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Returns / notices: unlogging returns: introduction

Circumstances may arise where a return needs to be unlogged. This may be because:

  • the return does not fulfil the filing requirement
  • you need to remove it from COTAX and then capture it on a different AP.

Before unlogging a return, you must consider the recovery, interest, enquiry, reallocation and repayment position, method of delivery and any further action needed.

Unlogging a return deletes the CT600, accounts, computations and all other attachments from the portal. You must therefore print copies of the return and all attachments before unlogging if you do not intend to reject it.

If you are rejecting the return, you must purge the return from the portal so that the company can submit a valid return. That may involve logging the return onto COTAX if that has not happened automatically and then unlogging it.