Error message
Failed to export expense. The selected VAT code in the expense is marked as blocked in Exact Online.Affected ERP integrations
Exact Online
Cause
This error occurs when the VAT code that has been applied to an expense in Payhawk is marked as Blocked in your Exact Online account. Exact Online prevents transactions from being posted using VAT codes that are blocked, which causes the expense export to fail.
Solution
You can resolve this issue in one of the following ways:
Unblock the VAT code in Exact Online.
Log in to your Exact Online account.
Navigate to Master Data > Tax > VAT Codes.
Locate the specific VAT code mentioned in the error message.
Click on the VAT code to view its details.
In the General section, ensure that the Blocked checkbox is unchecked.

Click Save.
Select an alternative VAT code in Payhawk.
In the Payhawk Web Portal, go to Expenses.
Click on the expense that failed to export.
Change the selected VAT code to an unblocked and appropriate VAT code.
Save the expense and attempt to export it again.