Overview:
You can review and download a PDF copy of any historical domain order receipts that are in your Domain Panel account.
Method:
Log into Domain Panel (NB: if you're unsure, you can follow the information here).
Click on the "Account" tab on the left-hand panel.
Click on the "Receipts" tab (NB: this sub-category will appear under the "Account" tab when clicked).
Find the receipt you would like to download a copy of and click on the "Receipt ID" which will open a details box.
Click on the receipt name at the top of the details box and a PDF will open in a new tab. You can download a copy of the PDF using the "Download" button on the top right-hand side of the PDF viewer.