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The Project field is available if the Project Costing functionality is turned on on the Administration > Settings > Project Costing form. You can link the tax invoice with a project from the list of available projects. If the items in this tax invoice are associated with different projects and you need to specify different projects for different items, you can move the Project field from the Main tab as a column to the table on the Inventory and Services tab. For this, use the Settings button on the toolbar (for more information, see Document Toolbar).
If the Enable Project Tasks option is selected on the Administration > Settings > Project Costing form, you can link the entire document with a specific project task or document's line items with multiple project tasks. By default, the Project Task column is available on the Inventory and Services tab. If needed, you can move it as a field to the Main tab. For this, use the Settings button on the toolbar.
The Summary check box is available only for the Sale transaction type. If you need to create one tax invoice for multiple invoices, select the Summary check box—this removes the Basis field and brings up the Basis tab where you can create a list of invoices. If the Summary check box is cleared, you will be able to add only one invoice to this tax invoice.
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After filling out the tab, click the Save button to save your work. After filling out all the tabs, click Post to post the document without closing it or Post and close to post and close the document.
Use the Settings button to invoke the Document Settings dialog box that can be used to move the Project or Project Task field from the document header (the Main tab) as columns to the table on the Inventory and Services tab or back.
The Document Settings dialog box
Once you are done with option selection, click OK to save the settings and close the dialog box or Cancel to close the dialog box without any changes to the settings.
For descriptions of other buttons, see Document Toolbar.