You can use the Convert to prepaymentform to change the VAT posting in posted vendor payments. With the Convert to prepaymentform, you can do the following:

• Convert a prepayment to a payment.

• Convert a payment to a prepayment.

• Change the payment posting date.

• Change the tax amount.

• Change the tax rate, which includes incorporating several taxes with different rates for one prepayment.

1. Click Accounts payable> Common Forms> Vendor Details.

2. Select a vendor account, and then click Transactions.

3. Click Prepayment handlingto open the Convert to prepaymentform, and then make changes to payments and prepayments.

4. Click Postto post the transaction.