Below you can find the procedure for updating the IR4 Company Tax Returns
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If you get any errors whilst submitting your tax returns via TAXISnet, please contact our support desk who can assist you in resolving the error.
To allow proper troubleshoot of errors we would need an email to support@cms-ss.com the following 4 documents :
For more information on how to get this error please see How to obtain the TAXISnet error message?