It is essential to lock your periods once a GST period is completed. The reason for this is so you don’t continue to enter transactions into the period which is essentially ‘finished’.
- From the main menu, select [Setup] Preferences then Security tab
- Tick the option to Lock Periods: Disallow entries up to and including…
- From the drop-down list select the ending month of your just-completed GST period
Any adjustments or missed entries must now be made in the current (new) GST period.


#adp01

