Once you have purchased a MuseScore subscription, you'll get an email receipt.

If you used a credit card to pay for the subscription, the receipt will be sent directly from MuseScore.com to the email address you subscribed with.

In all other cases, the receipt will be sent from PayPal, Apple, or Google Play in accordance with the payment method you used at checkout.

Please note, it is impossible to purchase a subscription by invoice.