...
If the Independent Calculation of Revenues and Costs is selected, there are the following tabs: Main, Costs, and Revenues, and Overheads.
If the Calculation of Revenues based on Costs is selected, there are the following tabs: Main, Revenues and Costs and Overheads.
If for any method, the Estimates by Period check box is selected, one more tab, Estimates by Period appears.
The "Project Estimates (create)" form. The Main tab
<Auto> in the Number field indicates that a number for this document is assigned automatically when you save the document. The From field is populated automatically with the current business date. You can select another date, if necessary.
...