Check your regional settings
Check the format of the regional settings on your computer and
the computer where your data is held are set to English (United Kingdom):
- Hold down the Windows key and press R then type intl.cpl and click OK.
The Regional and Language window appears.
- Click the Format drop-down and select English (United Kingdom).
- Click OK.
Check your VAT number
Check VAT number is correct and in the correct format:
- Click Settings then click Company Preferences and click VAT.
Check your version of Sage 50 Accounts
Check all computers including the computer where your data is held, are on the latest build of Sage 50 Accounts.
TIP: It's recommended to use v28.1 or above where possible due to technical enhancements made for MTD in this version.
Contact HMRC
If you've followed the steps above and the issue persists, the most common reason for this is that HMRC have not opened the relevant obligation period. To resolve this, please contact HMRC and ask them to open the obligation period.
NOTE: