Closing an accounting year is possible, but it blocks any type of modification.
From the Accounting menu
In the program Company parameters
Check Closed
Confirm with OK
From this moment on, when you open the Accounting menu for this exercise, some functions will have disappeared; and in the data entry programs only the
and in the data entry programs only the Consultation function will be available.
See examples below:
Restricted menu :
Entry consultation screen: