The Services tab contains the list of services in the tax credit note received. If you are manually creating the document, you can fill out this tab from the document selected as the basis or you can create and edit the list of services manually if Advance is the transaction type. 
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The "Tax Credit Note Received (create)" form. The Services tab
To add a service item, click the Add button and select the service from the Items catalog or create a new one. To open the list of provided services, click in the field and then select Show all. To learn more about creating service items, refer to Items.
You can specify a unit of measurement (in the Unit column) if the Multiple UOMs per Item option is selected on the Administration > Purchasing and Warehouses form. The column is automatically populated with the UOM specified for the selected item.
The Price column can be filled in automatically if the supplier item prices are available (see Supplier Price Lists). You can enter the prices manually based on the information from the supplier.
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