When creating orders it is possible to add a ventilation code to the invoice. These codes represent certain vat groups/types

Income

Code	Description	Default Vat Amount
1	0%	0.00
2	6%	6.00
3	12%	12.00
4	21%	21.00
21	BTW Verlegd (VAT shifted)	0.00
22	Div. Buiten BTW (Misc. Excluding VAT)	0.00
24	Marge (Margin)	0.00
51	IC Goederen (IC Goods)	0.00
55	IC Diensten (IC Services)	0.00
70	Import / Export	0.00

Cost

Code	Description	Default Vat Amount
1	Binnenland (Inland)	NULL
21	BTW Verlegd (VAT shifted)	0.00
22	Div. Buiten BTW (Misc. Excluding VAT)	NULL
111	Marge (Margin)	0.00
51	IC Goederen (IC Goods)	0.00
55	IC Diensten (IC Services)	0.00
102	Import Via EU	NULL