|You may get an authentication error if your HMRC e-filing credentials are either wrong or incomplete. If you have not received your own HMRC E-Filing credentials you will have to register yourself as an 'Organisation' using HMRC's Online Services from the link https://online.hmrc.gov.uk/registration and then enter the HMRC e-filing credentials in our application.
The HMRC E-Filing Credentials are:
For more information on HMRC E-Filing Credential contact HMRC.
- PAYE Reference Number
- Accounts Office Reference Number
- HMRC given User ID
- HMRC given Password