Is it possible to change my NINO after fetching obligations?
Once obligations have been fetched from HMRC, the National Insurance Number (NINO) cannot be changed. If you need to use a different NINO, you must:
- Disconnect the existing HMRC connection.
- Reconnect to HMRC using the correct NINO.
Note: Similarly, to change the business selected from HMRC, you must disconnect and reconnect to apply the new selection.