After year-end is automatically configured opening balances on both the status and operating accounts. There may then still be made entries and entries in previous years. These entries will automatically maintain primosaldiene. When the audit of accounts is complete, transfer the operating (opening balance on the operating accounts) as net profit in status and the scheduled opening balances are cleared.
At this time the entries to last year stopped. However, there is nothing to prevent the reopening last year and make clearance several times.
Period song endings (monthly, quarterly or half-yearly) requires no system updates since reports and other printouts can be run at elective periods of cross-period settings, and indeed years, and is therefore only a question of stopping the postings to the "closed" periods.