Accounting is divided into periods, and each period is, at some point, closed, finalised. This piece is about closing a fiscal period and year in Odoo.
What closing a period is
A business's accounting is divided into periods, and into the fiscal year. As a period passes, transactions are recorded, the accounting builds up. At some point, the period's accounting is finalised: everything that belongs in the period is recorded, the period's financial picture is settled, and the period is closed. Closing a period is the finalising of it, the point at which the period's accounting is treated as done and its financial result settled. Closing the fiscal year is the same at the level of the whole year.
Why periods are closed
Periods are closed because a business needs settled, finalised financial pictures of its periods. The financial result of a period, what was earned, what was spent, the position, is something the business reports and relies on, and for it to be relied on, it has to be finalised, the period closed, rather than perpetually open and changeable. Closing a period is what turns the period's accounting from in-progress into a settled, finalised result. The business closes its periods so it has genuine, finalised financial pictures to report and to build on.
Closing and the integrity of closed periods
An important aspect of closing is that, once a period is closed, its accounting should not simply be changed. A closed period is finalised, and its financial result is settled and may have been reported; if a closed period's accounting could be freely altered afterward, the finalisation would mean nothing. So closing a period goes together with protecting the closed period from change. Odoo supports this through lock dates: the accounting of a closed period can be locked, so that entries in it cannot simply be altered. Closing a period and locking it together are what genuinely finalise it.
What closing involves
Closing a fiscal period or year involves making sure the period's accounting is genuinely complete and correct before it is finalised: that everything belonging in the period is recorded, that the accounting reflects the period genuinely. For the fiscal year in particular, closing involves the year-end accounting work that finalises the year. Closing is not just flipping a switch; it is finalising the period after confirming its accounting is genuinely done and right, and then locking it so it stays finalised.
Closing is an accounting matter
An honest note. Closing a fiscal period and, especially, a fiscal year is genuinely an accounting matter, with accounting work and conventions involved in finalising a period and a year correctly. Closing should be done with proper accounting knowledge, so that the periods are genuinely finalised correctly. Odoo provides the means, the period management, the lock dates; doing the closing correctly is an accounting matter to be handled properly.
The takeaway
Closing a fiscal period and year in Odoo is the finalising of the accounting for a period, settling its financial result. Periods are closed because a business needs settled, finalised financial pictures to report and build on. Closing goes together with protecting the closed period from change, which Odoo supports through lock dates. Closing involves confirming the period's accounting is genuinely complete and correct, then finalising and locking it, and it is an accounting matter to be done with proper knowledge. For how we approach Odoo, see our ERP practice.