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VAT Filer: Period key is invalid- error

Article ID
vat-filer-period-key-is-invalid-error
Article Name
VAT Filer: Period key is invalid- error
Created Date
21st November 2021
Product
Problem
IRIS VAT Filer: Period key is invalid- error affecting one client
Resolution

This error message relates to the period key given by the HMRC systems which is incorrect – as this warning comes from HMRC then you will need to contact them.

However, when you get through to HMRC, please ask to be connect with a senior member of staff as they will have more knowledge of this subject.

We also have this VAT check list if you want to go through this before you call HMRC
https://www.iris.co.uk/support/knowledgebase/kb/vat-filer-internal-server-error-or-date-periods-vanish-or-agent-client-not-authorised/

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