To configure this module, you need to:

1.  Go to *Invoicing \> Configuration \> Journals*
2.  Open a Journal and set the 'Lock Date' and the 'Lock Date for
    Non-Advisers' in the' Advanced Settings' tab of the form view or
    select several Journals in the list view and click on the action
    menu 'Update journals lock dates' to update those dates for the
    selected journals at the same time.
