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If the credit note is generated based on the invoice, this tab is automatically populated - remove the lines that you don't need and leave the lines with returned items or the items for which correction is needed and edit the details. Alternatively, you can import the list of items with all the details from an Excel document. For this, click the 
button on the table toolbar and follow the step-by-step instructions in the appeared window. You can use the Up and Down ( 
) arrows to rearrange the items in the list.
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The Serial Numbers column is available if the Use Serial Numbers option is selected on the Administration > Settings > Purchasing and Warehouses form. For each serialized item (for which the Use Serial Numbers check box is selected on the Items form), click in the column to open the Serial numbers dialog box. In this dialog box, you must enter the serial numbers according to quantity of the returned item.
The Discount,% and Discount (or or Discount Price) columns are columns are available if the Enable discounts and markups in sales documents option is selected on the the Administration > > Settings > Sales form form. Use these columns to specify the discount that was used for the inventory or service items in the basis (original) document.
The The Auto-Discount % and and Auto-Discount columns are available if the columns appear if the Enable Automatic Discounts and Markups option option is selected on the the Administration > > Settings > Sales form form. Use these columns to specify the auto-discounts that were applied to the returned items in the basis document.
In the GL Accounts column, you can view the default accounts to be updated by this transaction. If needed, you can replace them with other accounts.
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