HMRC's message · HTTP 400
The businessId is for a different type of business
When it appears
Sending property or self-employment figures against a business ID.
What to check
- Which of the client's income sources the figures are meant for.
How to fix it
Send the figures against the business ID for the right income source.
Making Tax Digital in Accountin
Accountin shows HMRC's code and message next to a plain explanation, and keeps HMRC's reply against every submission.