How does VAT work for invoicing your sales?

If your customer has a valid VAT number for intra-EU transactions, and is located in an EU country other than Estonia, then the VAT is marked as 0% due to the reverse-charge mechanism.

If your customer is from Estonia, then it will be necessary to add the Estonian VAT rate of 24% to the invoice, regardless of their VAT payer status.

If your customer is located in an EU country other than Estonia and the customer does not have a valid EU VAT number, then it will be necessary to add the Estonian VAT rate of 24% to the invoice.

If your customer is located outside the EU, then the VAT rate on the invoice is marked 0%.

You can check the validity of your customer's VAT number from VIES.