When importing your VAT Returns, if your login password is longer than 10 characters, you must only enter the first 10 characters, otherwise an invalid password message appears.
  - Before you can submit your VAT Return, you must import your VAT Returns from Microsoft Excel, Sage 50 Accounts, TASBooks or Sage 200.
  - Once you're happy with the figures, in the Sage MTD Adaptor, click Submit VAT Return and click Next.
  - Check the company name and VAT registration number are correct, then click Next.
  - In the Gov.uk Sign In window, click Continue.
  - Enter your MTD user ID and password, click Sign in then click Continue.
  - Select a method to receive your access code, click Continue and follow the on-screen prompts.
  - In Access Code enter the code you received, then click Continue.
  - Click Continue then click Grant Authority.
  - Under Submit your period, in the drop-down click the period you want to submit for.
  - Click the confirmation check box then click Submit to HMRC.
  - When the successful submission window appears, click Close.