In Onvio Centre, select Setup > Firm Settings from the menu bar.
Select the MTD tab. A table of your firm's authorisations is displayed. Each HMRC Reference Number needs its own authorisation if it's to be used in Onvio for MTD for VAT.
HMRC gave you an Agent Reference Number when you created your HMRC Agent Services Account.
Make a note of the Agent Reference Number for the expired authorisation that you need to have reauthorised.
Select the checkbox to the left of the expired authorisation, then Delete.
Select Add from the toolbar.
Enter the
Agent Reference Number
and a
Description
to identify the Agent Reference Number.
Select Authorise.
The HMRC portal is displayed. Log in using your HMRC Agent Services Account credentials.
When the HMRC authorisation procedure is completed, select Done.
Repeat this procedure for each Agent Reference Number that has an expired authorisation.