A password authentication scheme with secure password updating
9 You may ask an agent to submit the electronic application or notification on your behalf using the online service.Any agent completing an electronic application or notification on behalf of a client must provide his or her details as part of the registration process.Follow the link 'New user’ and then follow the on-screen instructions.An agent may submit an Online VAT Return or an XML VAT Return on behalf of a principal, provided such an agent has been authorised by that principal to use the agents service, as described in the guide 'How to set up client authorisations with HMRC - an introduction'.Government Departments and NHS Trusts must use the 'GIANT Service' to make a VAT Return electronically.
Those systems are the ones described on the HMRC website as 'Online VAT Return Service' and 'XML VAT Returns Service'.
See our guide Changes to your business details and your VAT registration for further information on updating your business details.
8 Certain categories of application or notification may require the submission of further details using online PDF forms, attachments and/or paper forms.
The software package used to submit a return using the XML VAT Return Service must allow the return to be set out and viewed before it is submitted.
The authentication process of both the Online VAT Return Service and the XML VAT Return Service will be by way of pin and password or digital certificate as described for VAT Online on the HMRC website.
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Agents cannot notify changes to the Principal Place of Business address or bank account details using the online service.