Having purchased the MuseScore subscription, you'll get an email receipt.
In case you used a credit card to pay for the subscription, the receipt will be sent directly from MuseScore to the email address you used while subscribing.
In other cases, the receipt will be sent from PayPal, Apple, or Google Play in accordance with the payment method you chose while purchasing the subscription.
Please note that it is impossible to purchase a subscription by invoice.
Keywords: receipt, payment, invoice.