What is a disadvantage of using the cash accounting scheme for VAT?

The cash accounting scheme for VAT has the specific characteristic that businesses only account for the VAT they have actually received from their customers, rather than on the total sales made. This means that if a business issues an invoice but does not receive payment right away, it cannot claim the input VAT on related expenses until it has received the payment from its customer. This can be disadvantageous as it can lead to cash flow issues, especially if significant input VAT is tied up in unpaid invoices. Therefore, the limitation on claiming back input VAT until payment is received is a notable downside to using this scheme.

This answer highlights an important operational challenge for businesses utilizing the cash accounting scheme. Other options, while touching on different aspects of VAT accounting, do not effectively label the unique limitation posed by the cash accounting approach in terms of timing for VAT claims.