When filing CT returns online HMRC system may respond with submission error messages if they identify any issues with the data – CT600 forms, accounts or computations – you are submitting. Read the error message as HMRC will provide details of what and where the error is. Frequently Asked Questions
What does HMRC say when you submit a CT600?
HMRC acknowledge receipt of your online filing and the software displays a green tick with message – Submission process has successfully completed…’ – job done.
When do I need to update my CT600 software?
Box 330 and Box 380 of CT600 Tax calculation section represent a ‘Year’ within Tax Financial Year (01 April to 31 March)… Customers using an earlier edition of CT600 version 2017 and version 2016 software will need to update the software to avoid submission being rejected by HMRC due a move to Digital Transaction Engine.
Why is the root element missing in CT600?
Companies with Extended or Long Period Of Accounting LPOA… The message Root element is missing can most likely occur when an XML data file for the software has been corrupted on your system…
How to file a CT600 tax return online?
When filing CT600 returns online, HMRC server is responding with error number 3320 or error number 3321 as they have made changes to their server validations… HMRC require accounts and computations be sent in iXBRL format when submitting CT600 returns online…
Do I need to attach accounts to my CT600?
Support can supply you with a list of companies that will undertake iXbrl conversions from Excel Open the CT600. Go to Accounts and Computations. Under I am attaching Accounts… select Relating to this period or Relating to a different period as applicable. Go to Attachment Management. Set Computations and Accounts to iXBRL. Click on Add Accounts.
