A ReturnMe voucher may be used while checking out when placing an order at the ReturnMe store.
Once you have chosen all the ReturnMe recovery tags you are looking to purchase, click on your cart in order to checkout. For more detailed information on how to checkout and how to place an order at the ReturnMe Store, please visit the following ReturnMe support article: How do I order more ReturnMe recovery tags?
The next screen will allow you to enter your payment information and shipping information. You can also choose to use your PayPal account.
If you have a voucher code, you can enter it in the Discount field as pictured below
This will apply whatever voucher you are looking to apply unto your cart. Please do keep in mind that your voucher is not applicable on Shipping fees so if shipping is due at the end of the transaction you will be asked to pay for those fees for your order to be processed.
For more details on how to place an order of ReturnMe tags, please visit: How do I order more ReturnMe recovery tags?