We generate receipts for registration not invoices, your receipt is your proof of payment.
You can add additional informtion on your receipt by following the following steps
- Edit your profile and make any changes needed. You can add additional information to the Address field
- Email the updated receipt
- Visit My Stuff/Registrations
- Under "Registration History" click the correct year
- Open section 3. Payment and Receipt
- Click the "Email Receipt and Registration Barcode" button and the receipt will be emailed to you