...
The required fields are: Amount, VAT,%, and Content. If the Generate GL Transactions check box is selected on the Main tab, the GL Accounts field is required.
...
The "Output VAT Transaction (Create)" form. The Inventory and Services tab
To append a new line, click the Add button. If you need to specify items or services, fill in the Items column, which is optional. To open the inventory and services catalogmaster data, click in the field and then select Show All. To learn more about creating inventory and services items, refer to the the Items topic.
In the Quantity column, you can enter the quantity of the item. The UOM column is automatically populated with the UOMs (units of measurement) specified for the selected items.
The Price column is filled in automatically if the prices for these items are available in the system; if you have the appropriate privileges, you can enter the prices manually.
If you don't need to specify the items, enter the transaction description in the Content column.
The Amount field is automatically calculated according to the specified price and quantity of the items; otherwise, you can enter the amount manually. The Total amount is automatically calculated according to the VAT settings: Prices Do Not Include VAT or Prices Include VAT and VAT rate.
In the Comment field, you can specify some additional information about the item or service.
If the Generate GL Transactions check box on the Main tab is selected, the Income/Expense Account and GL Accounts columns appear. If you selected the inventory or service items, the default expense or income accounts (depending on the transaction type and other settings) are shown in the Income/Expense Account column, you can replace them if needed. If you specified only the transaction description in the Content column, you need to manually select an appropriate income or expense account in the Income/Expense Account column. In the GL Accounts column, enter the accounts for recording the input VAT.