The receipt may not show the amount of VAT included in the total.

Most people do register for, and pay, the correct amount of VAT.

If doing this reduces the amount of VAT due then you must issue a credit note to your customer.

The actual or potential amount of duty and VAT payable.

The figure entered into T1 is the total amount of VAT the business has received on the sales they have made.

They must also clearly show both the correct and incorrect amounts of VAT.

This could reduce the amount of VAT you need to pay.

You'll need to check your invoices carefully for the amount of VAT you've been charged.

This is the total amount of VAT you charged on sales to customers.

Alternatively, you may provide security for the disputed amount of VAT.