Error Messages
Error message: The provided Vrn is invalid
This message is returned from HMRC indicates it does not recognise the VAT registration number you have entered. Please check you have added the correct number and update as required.
CLIENT_OR_AGENT_NOT_AUTHORISED
This error message from HMRC indicates that you have not completed the registration process for MTD for VAT, or the registration process has not yet completed. HOW TO REGISTER 1. Register with HMRC for MTD for VAT 7 days after you have filed and paid ...
Error: NOT_FOUND
The HMRC's MTD for VAT system has sent the message NOT_FOUND. This message suggests that the data that you are trying to connect to does not exist on MTD for VAT system. This can occur when there is no MTD VAT returns matching the VAT registration ...