How to get an invoice for serial number JJ***HP7?

If you purchased your device from Apple, you can request a receipt from the retail location.

Check your email for a copy of the receipt. Here’s how to locate the Apple Store and their contact information: Apple Store - Find a Store - Apple https://www.apple.com/retail/

If your purchase was made at the Apple Online Store, please view the section titled “View or Print Invoice” here: Viewing & Changing Orders - Shopping Help - Apple https://www.apple.com/shop/help/viewing_changing_orders

If your device was purchased from an Apple Authorized Reseller, it is recommend contacting them directly for a receipt.

The invoice information for Apple’s retail and online stores is at:

https://www.apple.com/shop/help/viewing_changing_orders#invoice

If you bought it at a retail store, ask the store manager.