Use Exshail Invoice Software with Party & Price List database.
Open it with enabled macro option to function properly.
1. In the first sheet details of Party, type, tax Rate, address etc. has to fill.
2. In the second sheet Item & rate should be entered
3. In third sheet select Party, Type & Tax Rate from dropdown box ( data in dropdown box will be in asecnding order)
4. In the forth Sheet make your Invoice with your Items pick up from dropdown box & automatically get item rate from Price List.
Customization will be chargeable.
exshail at gmail dot com