Cost Control
You can create a set, and you decide the one option it asks you about before you do.
Open cost control in a project with no set and you do not get an empty grid — the **New Cost Control** dialog opens instead. Cancelling is a legitimate choice; the module simply stays empty and offers again.
Something that says which period or version it tracks — *Cost Control Q1*, *Cost Control after re-budget*. A comment field is there for the fuller story.
**Linked Budget** names the budget the set will track — and lock. Creating the set makes that budget read-only for as long as the set exists, so this is the moment to be sure the budget is final — see [how a cost control set relates to a budget](/kb/article/how-a-cost-control-set-relates-to-a-budget).
One checkbox, and it is worth a moment: **List fringes, supplements and extra costs as cost items.**
| Setting | What you get | | ------------- | ------------------------------------------------------------------- | | **Checked** | each fringe, supplement and extra cost appears as its own cost item | | **Unchecked** | they appear only as a sum in their collection accounts |
Checked gives you line-by-line traceability — useful when accounting books social contributions separately and you want them to reconcile item by item. Unchecked gives you a shorter, more readable set.
It is a decision about how much detail you want to maintain, and it is made here.
The set opens. It will be nearly empty — a set tracks accounts as they acquire something to track, so most sets fill up through their first accounting import rather than by hand — see [which accounts appear in cost control](/kb/article/which-accounts-appear-in-cost-control).
**Before you start booking.** Set up the import mapping once, if accounting data is coming. Doing it before the first import saves redoing the matching every period — see [set up an import mapping set](/kb/article/set-up-an-import-mapping-set).
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