In the financial year file, you will have the possibility to close it: this will have the effect of prohibiting the modification and creation of revenue/expenses over the period of the financial year.
To access the exercise menu Accounting/fee.
When the financial year closes, it is your responsibility to manually report the balances of the different accounts. To do this, simply add recovery movements in the form of receipts, of the desired amount, to the different accounts to be funded.
To learn more about accounting