Budgeting
You can split an account into subaccounts and know what changes about the account when you do.
For why you would split an account at all, see [what subaccounts are for](/kb/article/what-subaccounts-are-for); this article is how.
Select the account and click **Subaccount** in the toolbar.
The account's own values are copied down into that first subaccount. Nothing is lost, but the figures you entered are now on the subaccount, and the account row shows their sum. Splitting an account you have already filled in is safe — it just does not leave things where you left them.
The button is disabled on an account that [collects](/kb/article/how-collect-in-accounts-work) fringes, supplements, extra costs or tax; those cannot be subdivided.
Repeat for each part. A typical engagement is three: preparation, shoot, wrap.
Name them consistently across accounts. Presets match subaccounts by name, so *Shoot* on every account behaves predictably where *Shooting* on some and *Shoot* on others does not.
A subaccount takes the same fields as an account except the number, and is edited the same way.
Keep them in **one currency**. Nothing stops you setting different currencies per subaccount, but the account row can then show no combined price or currency at all — it blanks rather than mislead — see [how an account total is calculated](/kb/article/how-an-account-total-is-calculated).
Fringes, supplements and extra costs are assigned on the **account**, and you choose there which subaccounts each covers — the panels are disabled while a subaccount is selected — see [apply fringes and supplements](/kb/article/apply-fringes-and-supplements).
Tax is the exception: it can be set per subaccount.
**What subaccounts do not reach.** The split is a budgeting device. Cost control and accounting work at account level, so a subaccount structure does not carry through to actuals — plan the account numbers for the reporting you need, and use subaccounts for the costing you need.
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