POS entry made with voucher class can be altered from release 1.5 onwards.
- Create a POS voucher type with VAT inclusive voucher class.
- Enter a POS transaction in single or multiple mode of payment and save the transaction.
Now open the same entry in alteration mode and alter the Quantity or Rate or Amount.
Once the alteration is made in respective fields, the VAT and Excise are calculated automatically.
Other than the alteration steps mentioned above if any other changes are made like adding a new item, etc., then the calculation in the Accounting Details screen will have to be done manually.
In VAT exclusive method, if invoice alteration involves adding a new item then the Assessable value has to be entered manually.